Home / 72,183.08-108,286.29-22,251.50

Finding the Fourth Proportional to 72,183.08, 108,286.29 and 22,251.50

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Solution

The fourth proportional to 72,183.08, 108,286.29 and 22,251.50 is: 33,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.08 : 108,286.29 = 22,251.50 : x
  2. Step 2: Convert to fraction form
    72,183.08/108,286.29 = 22,251.50/x
  3. Step 3: Cross multiply
    72,183.08x = 108,286.29 × 22,251.50
  4. Step 4: Simplify right side
    72,183.08x = 2,409,532,131.65
  5. Step 5: Solve for x
    x = 2,409,532,131.65/72,183.08
  6. Step 6: Final answer
    x = 33,380.85

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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.