Home / 84,836.25-127,198.21-40,469.85

Finding the Fourth Proportional to 84,836.25, 127,198.21 and 40,469.85

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Solution

The fourth proportional to 84,836.25, 127,198.21 and 40,469.85 is: 60,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,836.25 : 127,198.21 = 40,469.85 : x
  2. Step 2: Convert to fraction form
    84,836.25/127,198.21 = 40,469.85/x
  3. Step 3: Cross multiply
    84,836.25x = 127,198.21 × 40,469.85
  4. Step 4: Simplify right side
    84,836.25x = 5,147,692,478.97
  5. Step 5: Solve for x
    x = 5,147,692,478.97/84,836.25
  6. Step 6: Final answer
    x = 60,677.98

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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.