Finding the Fourth Proportional to 125,938.62, 173,795.01 and 68,577.05
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Solution
The fourth proportional to 125,938.62, 173,795.01 and 68,577.05 is: 94,636.17
Step by Step Solution
- Step 1: Write the proportion equation
125,938.62 : 173,795.01 = 68,577.05 : x - Step 2: Convert to fraction form
125,938.62/173,795.01 = 68,577.05/x - Step 3: Cross multiply
125,938.62x = 173,795.01 × 68,577.05 - Step 4: Simplify right side
125,938.62x = 11,918,348,221.55 - Step 5: Solve for x
x = 11,918,348,221.55/125,938.62 - Step 6: Final answer
x = 94,636.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.