Home / 72,180.55-108,229.11-22,247.23

Finding the Fourth Proportional to 72,180.55, 108,229.11 and 22,247.23

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Solution

The fourth proportional to 72,180.55, 108,229.11 and 22,247.23 is: 33,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,180.55 : 108,229.11 = 22,247.23 : x
  2. Step 2: Convert to fraction form
    72,180.55/108,229.11 = 22,247.23/x
  3. Step 3: Cross multiply
    72,180.55x = 108,229.11 × 22,247.23
  4. Step 4: Simplify right side
    72,180.55x = 2,407,797,902.87
  5. Step 5: Solve for x
    x = 2,407,797,902.87/72,180.55
  6. Step 6: Final answer
    x = 33,357.99

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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.