Home / 126,121.57-174,046.44-68,760.75

Finding the Fourth Proportional to 126,121.57, 174,046.44 and 68,760.75

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Solution

The fourth proportional to 126,121.57, 174,046.44 and 68,760.75 is: 94,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121.57 : 174,046.44 = 68,760.75 : x
  2. Step 2: Convert to fraction form
    126,121.57/174,046.44 = 68,760.75/x
  3. Step 3: Cross multiply
    126,121.57x = 174,046.44 × 68,760.75
  4. Step 4: Simplify right side
    126,121.57x = 11,967,563,293.97
  5. Step 5: Solve for x
    x = 11,967,563,293.97/126,121.57
  6. Step 6: Final answer
    x = 94,889.11

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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.