Home / 137,613.60-206,449.20-44,128.80

Finding the Fourth Proportional to 137,613.60, 206,449.20 and 44,128.80

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Solution

The fourth proportional to 137,613.60, 206,449.20 and 44,128.80 is: 66,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,613.60 : 206,449.20 = 44,128.80 : x
  2. Step 2: Convert to fraction form
    137,613.60/206,449.20 = 44,128.80/x
  3. Step 3: Cross multiply
    137,613.60x = 206,449.20 × 44,128.80
  4. Step 4: Simplify right side
    137,613.60x = 9,110,355,456.96
  5. Step 5: Solve for x
    x = 9,110,355,456.96/137,613.60
  6. Step 6: Final answer
    x = 66,202.44

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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.