Finding the Fourth Proportional to 141,708.97, 195,543.90 and 87,252.49
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Solution
The fourth proportional to 141,708.97, 195,543.90 and 87,252.49 is: 120,399.52
Step by Step Solution
- Step 1: Write the proportion equation
141,708.97 : 195,543.90 = 87,252.49 : x - Step 2: Convert to fraction form
141,708.97/195,543.90 = 87,252.49/x - Step 3: Cross multiply
141,708.97x = 195,543.90 × 87,252.49 - Step 4: Simplify right side
141,708.97x = 17,061,692,179.31 - Step 5: Solve for x
x = 17,061,692,179.31/141,708.97 - Step 6: Final answer
x = 120,399.52
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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.