Home / 187,924.38-281,333.61-125,439.90

Finding the Fourth Proportional to 187,924.38, 281,333.61 and 125,439.90

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Solution

The fourth proportional to 187,924.38, 281,333.61 and 125,439.90 is: 187,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,924.38 : 281,333.61 = 125,439.90 : x
  2. Step 2: Convert to fraction form
    187,924.38/281,333.61 = 125,439.90/x
  3. Step 3: Cross multiply
    187,924.38x = 281,333.61 × 125,439.90
  4. Step 4: Simplify right side
    187,924.38x = 35,290,459,905.04
  5. Step 5: Solve for x
    x = 35,290,459,905.04/187,924.38
  6. Step 6: Final answer
    x = 187,790.75

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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.