Home / 140,821.88-194,350.46-80,401.14

Finding the Fourth Proportional to 140,821.88, 194,350.46 and 80,401.14

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Solution

The fourth proportional to 140,821.88, 194,350.46 and 80,401.14 is: 110,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,821.88 : 194,350.46 = 80,401.14 : x
  2. Step 2: Convert to fraction form
    140,821.88/194,350.46 = 80,401.14/x
  3. Step 3: Cross multiply
    140,821.88x = 194,350.46 × 80,401.14
  4. Step 4: Simplify right side
    140,821.88x = 15,625,998,141.52
  5. Step 5: Solve for x
    x = 15,625,998,141.52/140,821.88
  6. Step 6: Final answer
    x = 110,962.86

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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.