Home / 129,631.30-194,294.10-58,470.64

Finding the Fourth Proportional to 129,631.30, 194,294.10 and 58,470.64

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Solution

The fourth proportional to 129,631.30, 194,294.10 and 58,470.64 is: 87,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,631.30 : 194,294.10 = 58,470.64 : x
  2. Step 2: Convert to fraction form
    129,631.30/194,294.10 = 58,470.64/x
  3. Step 3: Cross multiply
    129,631.30x = 194,294.10 × 58,470.64
  4. Step 4: Simplify right side
    129,631.30x = 11,360,500,375.22
  5. Step 5: Solve for x
    x = 11,360,500,375.22/129,631.30
  6. Step 6: Final answer
    x = 87,637.02

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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.