Finding the Fourth Proportional to 125,490.34, 173,179.68 and 68,132.08
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Solution
The fourth proportional to 125,490.34, 173,179.68 and 68,132.08 is: 94,023.91
Step by Step Solution
- Step 1: Write the proportion equation
125,490.34 : 173,179.68 = 68,132.08 : x - Step 2: Convert to fraction form
125,490.34/173,179.68 = 68,132.08/x - Step 3: Cross multiply
125,490.34x = 173,179.68 × 68,132.08 - Step 4: Simplify right side
125,490.34x = 11,799,091,812.13 - Step 5: Solve for x
x = 11,799,091,812.13/125,490.34 - Step 6: Final answer
x = 94,023.91
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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.