Home / 140,741.11-194,236.60-80,320.85

Finding the Fourth Proportional to 140,741.11, 194,236.60 and 80,320.85

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Solution

The fourth proportional to 140,741.11, 194,236.60 and 80,320.85 is: 110,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,741.11 : 194,236.60 = 80,320.85 : x
  2. Step 2: Convert to fraction form
    140,741.11/194,236.60 = 80,320.85/x
  3. Step 3: Cross multiply
    140,741.11x = 194,236.60 × 80,320.85
  4. Step 4: Simplify right side
    140,741.11x = 15,601,248,520.11
  5. Step 5: Solve for x
    x = 15,601,248,520.11/140,741.11
  6. Step 6: Final answer
    x = 110,850.68

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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.