Home / 155,842.43-215,098.33-95,446.36

Finding the Fourth Proportional to 155,842.43, 215,098.33 and 95,446.36

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Solution

The fourth proportional to 155,842.43, 215,098.33 and 95,446.36 is: 131,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,842.43 : 215,098.33 = 95,446.36 : x
  2. Step 2: Convert to fraction form
    155,842.43/215,098.33 = 95,446.36/x
  3. Step 3: Cross multiply
    155,842.43x = 215,098.33 × 95,446.36
  4. Step 4: Simplify right side
    155,842.43x = 20,530,351,565.09
  5. Step 5: Solve for x
    x = 20,530,351,565.09/155,842.43
  6. Step 6: Final answer
    x = 131,737.88

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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.