Home / 129,429.45-194,171.90-73,296.09

Finding the Fourth Proportional to 129,429.45, 194,171.90 and 73,296.09

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Solution

The fourth proportional to 129,429.45, 194,171.90 and 73,296.09 is: 109,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,429.45 : 194,171.90 = 73,296.09 : x
  2. Step 2: Convert to fraction form
    129,429.45/194,171.90 = 73,296.09/x
  3. Step 3: Cross multiply
    129,429.45x = 194,171.90 × 73,296.09
  4. Step 4: Simplify right side
    129,429.45x = 14,232,040,691.39
  5. Step 5: Solve for x
    x = 14,232,040,691.39/129,429.45
  6. Step 6: Final answer
    x = 109,959.83

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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.