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Finding the Fourth Proportional to 80,189.52, 120,251.40 and 24,009.84

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Solution

The fourth proportional to 80,189.52, 120,251.40 and 24,009.84 is: 36,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,189.52 : 120,251.40 = 24,009.84 : x
  2. Step 2: Convert to fraction form
    80,189.52/120,251.40 = 24,009.84/x
  3. Step 3: Cross multiply
    80,189.52x = 120,251.40 × 24,009.84
  4. Step 4: Simplify right side
    80,189.52x = 2,887,216,873.78
  5. Step 5: Solve for x
    x = 2,887,216,873.78/80,189.52
  6. Step 6: Final answer
    x = 36,004.92

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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.