Home / 129,691.64-194,557.58-54,812.10

Finding the Fourth Proportional to 129,691.64, 194,557.58 and 54,812.10

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Solution

The fourth proportional to 129,691.64, 194,557.58 and 54,812.10 is: 82,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,691.64 : 194,557.58 = 54,812.10 : x
  2. Step 2: Convert to fraction form
    129,691.64/194,557.58 = 54,812.10/x
  3. Step 3: Cross multiply
    129,691.64x = 194,557.58 × 54,812.10
  4. Step 4: Simplify right side
    129,691.64x = 10,664,109,256.66
  5. Step 5: Solve for x
    x = 10,664,109,256.66/129,691.64
  6. Step 6: Final answer
    x = 82,226.65

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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.