Home / 90,677.29-136,043.13-36,614.15

Finding the Fourth Proportional to 90,677.29, 136,043.13 and 36,614.15

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Solution

The fourth proportional to 90,677.29, 136,043.13 and 36,614.15 is: 54,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,677.29 : 136,043.13 = 36,614.15 : x
  2. Step 2: Convert to fraction form
    90,677.29/136,043.13 = 36,614.15/x
  3. Step 3: Cross multiply
    90,677.29x = 136,043.13 × 36,614.15
  4. Step 4: Simplify right side
    90,677.29x = 4,981,103,568.29
  5. Step 5: Solve for x
    x = 4,981,103,568.29/90,677.29
  6. Step 6: Final answer
    x = 54,932.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.