Home / 124,939.97-172,419.65-68,352.56

Finding the Fourth Proportional to 124,939.97, 172,419.65 and 68,352.56

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Solution

The fourth proportional to 124,939.97, 172,419.65 and 68,352.56 is: 94,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,939.97 : 172,419.65 = 68,352.56 : x
  2. Step 2: Convert to fraction form
    124,939.97/172,419.65 = 68,352.56/x
  3. Step 3: Cross multiply
    124,939.97x = 172,419.65 × 68,352.56
  4. Step 4: Simplify right side
    124,939.97x = 11,785,324,555.32
  5. Step 5: Solve for x
    x = 11,785,324,555.32/124,939.97
  6. Step 6: Final answer
    x = 94,327.90

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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.