Home / 230,920.38-318,635.94-140,229.18

Finding the Fourth Proportional to 230,920.38, 318,635.94 and 140,229.18

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Solution

The fourth proportional to 230,920.38, 318,635.94 and 140,229.18 is: 193,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,920.38 : 318,635.94 = 140,229.18 : x
  2. Step 2: Convert to fraction form
    230,920.38/318,635.94 = 140,229.18/x
  3. Step 3: Cross multiply
    230,920.38x = 318,635.94 × 140,229.18
  4. Step 4: Simplify right side
    230,920.38x = 44,682,056,584.73
  5. Step 5: Solve for x
    x = 44,682,056,584.73/230,920.38
  6. Step 6: Final answer
    x = 193,495.51

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1.5x scale

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.