Home / 239,819.57-330,942.33-132,387.30

Finding the Fourth Proportional to 239,819.57, 330,942.33 and 132,387.30

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Solution

The fourth proportional to 239,819.57, 330,942.33 and 132,387.30 is: 182,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,819.57 : 330,942.33 = 132,387.30 : x
  2. Step 2: Convert to fraction form
    239,819.57/330,942.33 = 132,387.30/x
  3. Step 3: Cross multiply
    239,819.57x = 330,942.33 × 132,387.30
  4. Step 4: Simplify right side
    239,819.57x = 43,812,561,524.41
  5. Step 5: Solve for x
    x = 43,812,561,524.41/239,819.57
  6. Step 6: Final answer
    x = 182,689.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.