Home / 72,079.26-108,129.23-22,163.55

Finding the Fourth Proportional to 72,079.26, 108,129.23 and 22,163.55

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Solution

The fourth proportional to 72,079.26, 108,129.23 and 22,163.55 is: 33,248.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,079.26 : 108,129.23 = 22,163.55 : x
  2. Step 2: Convert to fraction form
    72,079.26/108,129.23 = 22,163.55/x
  3. Step 3: Cross multiply
    72,079.26x = 108,129.23 × 22,163.55
  4. Step 4: Simplify right side
    72,079.26x = 2,396,527,595.57
  5. Step 5: Solve for x
    x = 2,396,527,595.57/72,079.26
  6. Step 6: Final answer
    x = 33,248.50

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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.