Home / 187,342.17-281,105.52-87,487.87

Finding the Fourth Proportional to 187,342.17, 281,105.52 and 87,487.87

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Solution

The fourth proportional to 187,342.17, 281,105.52 and 87,487.87 is: 131,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,342.17 : 281,105.52 = 87,487.87 : x
  2. Step 2: Convert to fraction form
    187,342.17/281,105.52 = 87,487.87/x
  3. Step 3: Cross multiply
    187,342.17x = 281,105.52 × 87,487.87
  4. Step 4: Simplify right side
    187,342.17x = 24,593,322,752.60
  5. Step 5: Solve for x
    x = 24,593,322,752.60/187,342.17
  6. Step 6: Final answer
    x = 131,274.89

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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.