Home / 129,581.67-194,398.92-73,446.85

Finding the Fourth Proportional to 129,581.67, 194,398.92 and 73,446.85

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Solution

The fourth proportional to 129,581.67, 194,398.92 and 73,446.85 is: 110,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,581.67 : 194,398.92 = 73,446.85 : x
  2. Step 2: Convert to fraction form
    129,581.67/194,398.92 = 73,446.85/x
  3. Step 3: Cross multiply
    129,581.67x = 194,398.92 × 73,446.85
  4. Step 4: Simplify right side
    129,581.67x = 14,277,988,560.40
  5. Step 5: Solve for x
    x = 14,277,988,560.40/129,581.67
  6. Step 6: Final answer
    x = 110,185.25

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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.