Home / 126,039.56-173,932.33-68,679.38

Finding the Fourth Proportional to 126,039.56, 173,932.33 and 68,679.38

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Solution

The fourth proportional to 126,039.56, 173,932.33 and 68,679.38 is: 94,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.56 : 173,932.33 = 68,679.38 : x
  2. Step 2: Convert to fraction form
    126,039.56/173,932.33 = 68,679.38/x
  3. Step 3: Cross multiply
    126,039.56x = 173,932.33 × 68,679.38
  4. Step 4: Simplify right side
    126,039.56x = 11,945,563,545.00
  5. Step 5: Solve for x
    x = 11,945,563,545.00/126,039.56
  6. Step 6: Final answer
    x = 94,776.31

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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.