Home / 129,732.36-194,540.07-54,813.95

Finding the Fourth Proportional to 129,732.36, 194,540.07 and 54,813.95

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Solution

The fourth proportional to 129,732.36, 194,540.07 and 54,813.95 is: 82,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732.36 : 194,540.07 = 54,813.95 : x
  2. Step 2: Convert to fraction form
    129,732.36/194,540.07 = 54,813.95/x
  3. Step 3: Cross multiply
    129,732.36x = 194,540.07 × 54,813.95
  4. Step 4: Simplify right side
    129,732.36x = 10,663,508,697.28
  5. Step 5: Solve for x
    x = 10,663,508,697.28/129,732.36
  6. Step 6: Final answer
    x = 82,196.21

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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.