Home / 89,257.20-133,882.28-30,091.52

Finding the Fourth Proportional to 89,257.20, 133,882.28 and 30,091.52

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Solution

The fourth proportional to 89,257.20, 133,882.28 and 30,091.52 is: 45,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,257.20 : 133,882.28 = 30,091.52 : x
  2. Step 2: Convert to fraction form
    89,257.20/133,882.28 = 30,091.52/x
  3. Step 3: Cross multiply
    89,257.20x = 133,882.28 × 30,091.52
  4. Step 4: Simplify right side
    89,257.20x = 4,028,721,306.27
  5. Step 5: Solve for x
    x = 4,028,721,306.27/89,257.20
  6. Step 6: Final answer
    x = 45,136.09

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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.