Home / 150,785.20-225,882.14-87,472.36

Finding the Fourth Proportional to 150,785.20, 225,882.14 and 87,472.36

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Solution

The fourth proportional to 150,785.20, 225,882.14 and 87,472.36 is: 131,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,785.20 : 225,882.14 = 87,472.36 : x
  2. Step 2: Convert to fraction form
    150,785.20/225,882.14 = 87,472.36/x
  3. Step 3: Cross multiply
    150,785.20x = 225,882.14 × 87,472.36
  4. Step 4: Simplify right side
    150,785.20x = 19,758,443,867.65
  5. Step 5: Solve for x
    x = 19,758,443,867.65/150,785.20
  6. Step 6: Final answer
    x = 131,037.02

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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.