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Finding the Fourth Proportional to 129,488.70, 194,233.05 and 88,016.70

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Solution

The fourth proportional to 129,488.70, 194,233.05 and 88,016.70 is: 132,025.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,488.70 : 194,233.05 = 88,016.70 : x
  2. Step 2: Convert to fraction form
    129,488.70/194,233.05 = 88,016.70/x
  3. Step 3: Cross multiply
    129,488.70x = 194,233.05 × 88,016.70
  4. Step 4: Simplify right side
    129,488.70x = 17,095,752,091.94
  5. Step 5: Solve for x
    x = 17,095,752,091.94/129,488.70
  6. Step 6: Final answer
    x = 132,025.05

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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.