Home / 154,306.18-231,221.13-104,189.86

Finding the Fourth Proportional to 154,306.18, 231,221.13 and 104,189.86

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Solution

The fourth proportional to 154,306.18, 231,221.13 and 104,189.86 is: 156,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,306.18 : 231,221.13 = 104,189.86 : x
  2. Step 2: Convert to fraction form
    154,306.18/231,221.13 = 104,189.86/x
  3. Step 3: Cross multiply
    154,306.18x = 231,221.13 × 104,189.86
  4. Step 4: Simplify right side
    154,306.18x = 24,090,897,163.74
  5. Step 5: Solve for x
    x = 24,090,897,163.74/154,306.18
  6. Step 6: Final answer
    x = 156,123.99

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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.