Home / 129,863.04-194,646.90-54,936.42

Finding the Fourth Proportional to 129,863.04, 194,646.90 and 54,936.42

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Solution

The fourth proportional to 129,863.04, 194,646.90 and 54,936.42 is: 82,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863.04 : 194,646.90 = 54,936.42 : x
  2. Step 2: Convert to fraction form
    129,863.04/194,646.90 = 54,936.42/x
  3. Step 3: Cross multiply
    129,863.04x = 194,646.90 × 54,936.42
  4. Step 4: Simplify right side
    129,863.04x = 10,693,203,850.10
  5. Step 5: Solve for x
    x = 10,693,203,850.10/129,863.04
  6. Step 6: Final answer
    x = 82,342.16

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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.