Home / 129,002.40-193,578.26-54,115.83

Finding the Fourth Proportional to 129,002.40, 193,578.26 and 54,115.83

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Solution

The fourth proportional to 129,002.40, 193,578.26 and 54,115.83 is: 81,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,002.40 : 193,578.26 = 54,115.83 : x
  2. Step 2: Convert to fraction form
    129,002.40/193,578.26 = 54,115.83/x
  3. Step 3: Cross multiply
    129,002.40x = 193,578.26 × 54,115.83
  4. Step 4: Simplify right side
    129,002.40x = 10,475,647,939.28
  5. Step 5: Solve for x
    x = 10,475,647,939.28/129,002.40
  6. Step 6: Final answer
    x = 81,205.06

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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.