Home / 238,578.41-329,229.85-131,147.67

Finding the Fourth Proportional to 238,578.41, 329,229.85 and 131,147.67

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Solution

The fourth proportional to 238,578.41, 329,229.85 and 131,147.67 is: 180,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,578.41 : 329,229.85 = 131,147.67 : x
  2. Step 2: Convert to fraction form
    238,578.41/329,229.85 = 131,147.67/x
  3. Step 3: Cross multiply
    238,578.41x = 329,229.85 × 131,147.67
  4. Step 4: Simplify right side
    238,578.41x = 43,177,727,721.95
  5. Step 5: Solve for x
    x = 43,177,727,721.95/238,578.41
  6. Step 6: Final answer
    x = 180,979.19

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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.