Home / 102,135.27-153,217.25-27,257.85

Finding the Fourth Proportional to 102,135.27, 153,217.25 and 27,257.85

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Solution

The fourth proportional to 102,135.27, 153,217.25 and 27,257.85 is: 40,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,135.27 : 153,217.25 = 27,257.85 : x
  2. Step 2: Convert to fraction form
    102,135.27/153,217.25 = 27,257.85/x
  3. Step 3: Cross multiply
    102,135.27x = 153,217.25 × 27,257.85
  4. Step 4: Simplify right side
    102,135.27x = 4,176,372,817.91
  5. Step 5: Solve for x
    x = 4,176,372,817.91/102,135.27
  6. Step 6: Final answer
    x = 40,890.60

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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.