Home / 129,770.10-194,691.60-63,212.40

Finding the Fourth Proportional to 129,770.10, 194,691.60 and 63,212.40

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Solution

The fourth proportional to 129,770.10, 194,691.60 and 63,212.40 is: 94,836.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,770.10 : 194,691.60 = 63,212.40 : x
  2. Step 2: Convert to fraction form
    129,770.10/194,691.60 = 63,212.40/x
  3. Step 3: Cross multiply
    129,770.10x = 194,691.60 × 63,212.40
  4. Step 4: Simplify right side
    129,770.10x = 12,306,923,295.84
  5. Step 5: Solve for x
    x = 12,306,923,295.84/129,770.10
  6. Step 6: Final answer
    x = 94,836.36

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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.