Home / 129,658.38-194,376.63-49,753.68

Finding the Fourth Proportional to 129,658.38, 194,376.63 and 49,753.68

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Solution

The fourth proportional to 129,658.38, 194,376.63 and 49,753.68 is: 74,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,658.38 : 194,376.63 = 49,753.68 : x
  2. Step 2: Convert to fraction form
    129,658.38/194,376.63 = 49,753.68/x
  3. Step 3: Cross multiply
    129,658.38x = 194,376.63 × 49,753.68
  4. Step 4: Simplify right side
    129,658.38x = 9,670,952,648.50
  5. Step 5: Solve for x
    x = 9,670,952,648.50/129,658.38
  6. Step 6: Final answer
    x = 74,587.95

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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.