Finding the Fourth Proportional to 141,708.47, 195,543.22 and 87,251.99
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Solution
The fourth proportional to 141,708.47, 195,543.22 and 87,251.99 is: 120,398.84
Step by Step Solution
- Step 1: Write the proportion equation
141,708.47 : 195,543.22 = 87,251.99 : x - Step 2: Convert to fraction form
141,708.47/195,543.22 = 87,251.99/x - Step 3: Cross multiply
141,708.47x = 195,543.22 × 87,251.99 - Step 4: Simplify right side
141,708.47x = 17,061,534,857.88 - Step 5: Solve for x
x = 17,061,534,857.88/141,708.47 - Step 6: Final answer
x = 120,398.84
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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.