Home / 106,529.38-159,781.61-88,872.39

Finding the Fourth Proportional to 106,529.38, 159,781.61 and 88,872.39

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Solution

The fourth proportional to 106,529.38, 159,781.61 and 88,872.39 is: 133,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,529.38 : 159,781.61 = 88,872.39 : x
  2. Step 2: Convert to fraction form
    106,529.38/159,781.61 = 88,872.39/x
  3. Step 3: Cross multiply
    106,529.38x = 159,781.61 × 88,872.39
  4. Step 4: Simplify right side
    106,529.38x = 14,200,173,780.93
  5. Step 5: Solve for x
    x = 14,200,173,780.93/106,529.38
  6. Step 6: Final answer
    x = 133,298.20

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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.