Home / 150,789.21-225,839.30-71,958.80

Finding the Fourth Proportional to 150,789.21, 225,839.30 and 71,958.80

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Solution

The fourth proportional to 150,789.21, 225,839.30 and 71,958.80 is: 107,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,789.21 : 225,839.30 = 71,958.80 : x
  2. Step 2: Convert to fraction form
    150,789.21/225,839.30 = 71,958.80/x
  3. Step 3: Cross multiply
    150,789.21x = 225,839.30 × 71,958.80
  4. Step 4: Simplify right side
    150,789.21x = 16,251,123,531.85
  5. Step 5: Solve for x
    x = 16,251,123,531.85/150,789.21
  6. Step 6: Final answer
    x = 107,773.78

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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.