Home / 154,418.08-231,553.08-75,439.84

Finding the Fourth Proportional to 154,418.08, 231,553.08 and 75,439.84

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Solution

The fourth proportional to 154,418.08, 231,553.08 and 75,439.84 is: 113,123.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,418.08 : 231,553.08 = 75,439.84 : x
  2. Step 2: Convert to fraction form
    154,418.08/231,553.08 = 75,439.84/x
  3. Step 3: Cross multiply
    154,418.08x = 231,553.08 × 75,439.84
  4. Step 4: Simplify right side
    154,418.08x = 17,468,327,306.71
  5. Step 5: Solve for x
    x = 17,468,327,306.71/154,418.08
  6. Step 6: Final answer
    x = 113,123.59

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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.