Home / 80,192.16-120,288.30-50,654.88

Finding the Fourth Proportional to 80,192.16, 120,288.30 and 50,654.88

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Solution

The fourth proportional to 80,192.16, 120,288.30 and 50,654.88 is: 75,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192.16 : 120,288.30 = 50,654.88 : x
  2. Step 2: Convert to fraction form
    80,192.16/120,288.30 = 50,654.88/x
  3. Step 3: Cross multiply
    80,192.16x = 120,288.30 × 50,654.88
  4. Step 4: Simplify right side
    80,192.16x = 6,093,189,401.90
  5. Step 5: Solve for x
    x = 6,093,189,401.90/80,192.16
  6. Step 6: Final answer
    x = 75,982.36

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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.