Home / 159,439.26-220,007.04-91,452.72

Finding the Fourth Proportional to 159,439.26, 220,007.04 and 91,452.72

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Solution

The fourth proportional to 159,439.26, 220,007.04 and 91,452.72 is: 126,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,439.26 : 220,007.04 = 91,452.72 : x
  2. Step 2: Convert to fraction form
    159,439.26/220,007.04 = 91,452.72/x
  3. Step 3: Cross multiply
    159,439.26x = 220,007.04 × 91,452.72
  4. Step 4: Simplify right side
    159,439.26x = 20,120,242,227.15
  5. Step 5: Solve for x
    x = 20,120,242,227.15/159,439.26
  6. Step 6: Final answer
    x = 126,193.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.