Home / 80,148.38-120,228.82-26,840.54

Finding the Fourth Proportional to 80,148.38, 120,228.82 and 26,840.54

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Solution

The fourth proportional to 80,148.38, 120,228.82 and 26,840.54 is: 40,262.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.38 : 120,228.82 = 26,840.54 : x
  2. Step 2: Convert to fraction form
    80,148.38/120,228.82 = 26,840.54/x
  3. Step 3: Cross multiply
    80,148.38x = 120,228.82 × 26,840.54
  4. Step 4: Simplify right side
    80,148.38x = 3,227,006,452.36
  5. Step 5: Solve for x
    x = 3,227,006,452.36/80,148.38
  6. Step 6: Final answer
    x = 40,262.90

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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.