Home / 87,924.28-131,769.78-76,182.52

Finding the Fourth Proportional to 87,924.28, 131,769.78 and 76,182.52

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Solution

The fourth proportional to 87,924.28, 131,769.78 and 76,182.52 is: 114,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.28 : 131,769.78 = 76,182.52 : x
  2. Step 2: Convert to fraction form
    87,924.28/131,769.78 = 76,182.52/x
  3. Step 3: Cross multiply
    87,924.28x = 131,769.78 × 76,182.52
  4. Step 4: Simplify right side
    87,924.28x = 10,038,553,900.25
  5. Step 5: Solve for x
    x = 10,038,553,900.25/87,924.28
  6. Step 6: Final answer
    x = 114,172.72

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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.