Home / 84,286.70-126,455.42-25,122.37

Finding the Fourth Proportional to 84,286.70, 126,455.42 and 25,122.37

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Solution

The fourth proportional to 84,286.70, 126,455.42 and 25,122.37 is: 37,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,286.70 : 126,455.42 = 25,122.37 : x
  2. Step 2: Convert to fraction form
    84,286.70/126,455.42 = 25,122.37/x
  3. Step 3: Cross multiply
    84,286.70x = 126,455.42 × 25,122.37
  4. Step 4: Simplify right side
    84,286.70x = 3,176,859,596.41
  5. Step 5: Solve for x
    x = 3,176,859,596.41/84,286.70
  6. Step 6: Final answer
    x = 37,691.11

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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.