Home / 129,795.40-194,385.90-88,016.20

Finding the Fourth Proportional to 129,795.40, 194,385.90 and 88,016.20

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Solution

The fourth proportional to 129,795.40, 194,385.90 and 88,016.20 is: 131,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,795.40 : 194,385.90 = 88,016.20 : x
  2. Step 2: Convert to fraction form
    129,795.40/194,385.90 = 88,016.20/x
  3. Step 3: Cross multiply
    129,795.40x = 194,385.90 × 88,016.20
  4. Step 4: Simplify right side
    129,795.40x = 17,109,108,251.58
  5. Step 5: Solve for x
    x = 17,109,108,251.58/129,795.40
  6. Step 6: Final answer
    x = 131,815.98

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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.