Home / 187,565.07-281,262.50-80,898.61

Finding the Fourth Proportional to 187,565.07, 281,262.50 and 80,898.61

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Solution

The fourth proportional to 187,565.07, 281,262.50 and 80,898.61 is: 121,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,565.07 : 281,262.50 = 80,898.61 : x
  2. Step 2: Convert to fraction form
    187,565.07/281,262.50 = 80,898.61/x
  3. Step 3: Cross multiply
    187,565.07x = 281,262.50 × 80,898.61
  4. Step 4: Simplify right side
    187,565.07x = 22,753,745,796.03
  5. Step 5: Solve for x
    x = 22,753,745,796.03/187,565.07
  6. Step 6: Final answer
    x = 121,311.21

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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.