Home / 140,778.20-194,226.37-80,306.29

Finding the Fourth Proportional to 140,778.20, 194,226.37 and 80,306.29

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Solution

The fourth proportional to 140,778.20, 194,226.37 and 80,306.29 is: 110,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,778.20 : 194,226.37 = 80,306.29 : x
  2. Step 2: Convert to fraction form
    140,778.20/194,226.37 = 80,306.29/x
  3. Step 3: Cross multiply
    140,778.20x = 194,226.37 × 80,306.29
  4. Step 4: Simplify right side
    140,778.20x = 15,597,598,596.08
  5. Step 5: Solve for x
    x = 15,597,598,596.08/140,778.20
  6. Step 6: Final answer
    x = 110,795.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.