Home / 149,443.38-206,229.22-81,460.94

Finding the Fourth Proportional to 149,443.38, 206,229.22 and 81,460.94

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Solution

The fourth proportional to 149,443.38, 206,229.22 and 81,460.94 is: 112,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,443.38 : 206,229.22 = 81,460.94 : x
  2. Step 2: Convert to fraction form
    149,443.38/206,229.22 = 81,460.94/x
  3. Step 3: Cross multiply
    149,443.38x = 206,229.22 × 81,460.94
  4. Step 4: Simplify right side
    149,443.38x = 16,799,626,116.67
  5. Step 5: Solve for x
    x = 16,799,626,116.67/149,443.38
  6. Step 6: Final answer
    x = 112,414.66

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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.