Home / 141,144.66-194,772.87-80,725.14

Finding the Fourth Proportional to 141,144.66, 194,772.87 and 80,725.14

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Solution

The fourth proportional to 141,144.66, 194,772.87 and 80,725.14 is: 111,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,144.66 : 194,772.87 = 80,725.14 : x
  2. Step 2: Convert to fraction form
    141,144.66/194,772.87 = 80,725.14/x
  3. Step 3: Cross multiply
    141,144.66x = 194,772.87 × 80,725.14
  4. Step 4: Simplify right side
    141,144.66x = 15,723,067,198.95
  5. Step 5: Solve for x
    x = 15,723,067,198.95/141,144.66
  6. Step 6: Final answer
    x = 111,396.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.