Home / 132,454.20-198,612.90-38,947.80

Finding the Fourth Proportional to 132,454.20, 198,612.90 and 38,947.80

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Solution

The fourth proportional to 132,454.20, 198,612.90 and 38,947.80 is: 58,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,454.20 : 198,612.90 = 38,947.80 : x
  2. Step 2: Convert to fraction form
    132,454.20/198,612.90 = 38,947.80/x
  3. Step 3: Cross multiply
    132,454.20x = 198,612.90 × 38,947.80
  4. Step 4: Simplify right side
    132,454.20x = 7,735,535,506.62
  5. Step 5: Solve for x
    x = 7,735,535,506.62/132,454.20
  6. Step 6: Final answer
    x = 58,401.59

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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.