Home / 80,190.62-120,245.43-26,864.18

Finding the Fourth Proportional to 80,190.62, 120,245.43 and 26,864.18

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Solution

The fourth proportional to 80,190.62, 120,245.43 and 26,864.18 is: 40,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.62 : 120,245.43 = 26,864.18 : x
  2. Step 2: Convert to fraction form
    80,190.62/120,245.43 = 26,864.18/x
  3. Step 3: Cross multiply
    80,190.62x = 120,245.43 × 26,864.18
  4. Step 4: Simplify right side
    80,190.62x = 3,230,294,875.70
  5. Step 5: Solve for x
    x = 3,230,294,875.70/80,190.62
  6. Step 6: Final answer
    x = 40,282.70

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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.