Home / 129,757.04-194,712.42-54,873.08

Finding the Fourth Proportional to 129,757.04, 194,712.42 and 54,873.08

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Solution

The fourth proportional to 129,757.04, 194,712.42 and 54,873.08 is: 82,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,757.04 : 194,712.42 = 54,873.08 : x
  2. Step 2: Convert to fraction form
    129,757.04/194,712.42 = 54,873.08/x
  3. Step 3: Cross multiply
    129,757.04x = 194,712.42 × 54,873.08
  4. Step 4: Simplify right side
    129,757.04x = 10,684,469,226.09
  5. Step 5: Solve for x
    x = 10,684,469,226.09/129,757.04
  6. Step 6: Final answer
    x = 82,342.12

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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.