Home / 129,747.70-194,621.55-34,977.70

Finding the Fourth Proportional to 129,747.70, 194,621.55 and 34,977.70

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Solution

The fourth proportional to 129,747.70, 194,621.55 and 34,977.70 is: 52,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,747.70 : 194,621.55 = 34,977.70 : x
  2. Step 2: Convert to fraction form
    129,747.70/194,621.55 = 34,977.70/x
  3. Step 3: Cross multiply
    129,747.70x = 194,621.55 × 34,977.70
  4. Step 4: Simplify right side
    129,747.70x = 6,807,414,189.44
  5. Step 5: Solve for x
    x = 6,807,414,189.44/129,747.70
  6. Step 6: Final answer
    x = 52,466.55

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Similar ratio
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1.5x scale

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.