Finding the Fourth Proportional to 125,185.88, 172,753.88 and 68,593.62
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Solution
The fourth proportional to 125,185.88, 172,753.88 and 68,593.62 is: 94,657.75
Step by Step Solution
- Step 1: Write the proportion equation
125,185.88 : 172,753.88 = 68,593.62 : x - Step 2: Convert to fraction form
125,185.88/172,753.88 = 68,593.62/x - Step 3: Cross multiply
125,185.88x = 172,753.88 × 68,593.62 - Step 4: Simplify right side
125,185.88x = 11,849,813,998.25 - Step 5: Solve for x
x = 11,849,813,998.25/125,185.88 - Step 6: Final answer
x = 94,657.75
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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.