proportional,
relative properly related in size or degree or other measurable characteristics; usually followed by `to'; "the punishment ought to be proportional to the crime"; "earnings relative to production"
proportionate -
agreeing in amount, magnitude, or degree
commensurate corresponding in size or degree or extent; "pay should be commensurate with the time worked"
proportionate -
exhibiting equivalence or correspondence among constituents of an entity or between different entities
balanced being in a state of proper equilibrium; "the carefully balanced seesaw"; "a properly balanced symphony orchestra"; "a balanced assessment of intellectual and cultural history"; "a balanced blend of whiskeys"; "the educated man shows a balanced development of all his powers"