Home / 80,190.56-120,285.84-24,786.56

Finding the Fourth Proportional to 80,190.56, 120,285.84 and 24,786.56

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Solution

The fourth proportional to 80,190.56, 120,285.84 and 24,786.56 is: 37,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.56 : 120,285.84 = 24,786.56 : x
  2. Step 2: Convert to fraction form
    80,190.56/120,285.84 = 24,786.56/x
  3. Step 3: Cross multiply
    80,190.56x = 120,285.84 × 24,786.56
  4. Step 4: Simplify right side
    80,190.56x = 2,981,472,583.97
  5. Step 5: Solve for x
    x = 2,981,472,583.97/80,190.56
  6. Step 6: Final answer
    x = 37,179.84

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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.