Home / 129,865.28-194,650.27-54,938.66

Finding the Fourth Proportional to 129,865.28, 194,650.27 and 54,938.66

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Solution

The fourth proportional to 129,865.28, 194,650.27 and 54,938.66 is: 82,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865.28 : 194,650.27 = 54,938.66 : x
  2. Step 2: Convert to fraction form
    129,865.28/194,650.27 = 54,938.66/x
  3. Step 3: Cross multiply
    129,865.28x = 194,650.27 × 54,938.66
  4. Step 4: Simplify right side
    129,865.28x = 10,693,825,002.44
  5. Step 5: Solve for x
    x = 10,693,825,002.44/129,865.28
  6. Step 6: Final answer
    x = 82,345.53

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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.