proportional adj.
VERBS be
ADV. broadly, roughly The amount of food a child needs is roughly proportional to its size. | directly The speed of the glider is directly proportional to the speed of the wind. | inversely The amount of force needed is inversely proportional to the rigidity of the material.
PREP. to
You can also check other dicts: proportional (English, 中文解释 ), wordnet sense, Collins Definition