Home / 140,906.11-194,446.41-80,475.50

Finding the Fourth Proportional to 140,906.11, 194,446.41 and 80,475.50

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Solution

The fourth proportional to 140,906.11, 194,446.41 and 80,475.50 is: 111,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.11 : 194,446.41 = 80,475.50 : x
  2. Step 2: Convert to fraction form
    140,906.11/194,446.41 = 80,475.50/x
  3. Step 3: Cross multiply
    140,906.11x = 194,446.41 × 80,475.50
  4. Step 4: Simplify right side
    140,906.11x = 15,648,172,067.96
  5. Step 5: Solve for x
    x = 15,648,172,067.96/140,906.11
  6. Step 6: Final answer
    x = 111,053.89

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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.