Home / 95,160.38-142,742.88-31,981.42

Finding the Fourth Proportional to 95,160.38, 142,742.88 and 31,981.42

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Solution

The fourth proportional to 95,160.38, 142,742.88 and 31,981.42 is: 47,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,160.38 : 142,742.88 = 31,981.42 : x
  2. Step 2: Convert to fraction form
    95,160.38/142,742.88 = 31,981.42/x
  3. Step 3: Cross multiply
    95,160.38x = 142,742.88 × 31,981.42
  4. Step 4: Simplify right side
    95,160.38x = 4,565,119,997.29
  5. Step 5: Solve for x
    x = 4,565,119,997.29/95,160.38
  6. Step 6: Final answer
    x = 47,972.91

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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.