Home / 126,047.47-173,943.28-68,687.30

Finding the Fourth Proportional to 126,047.47, 173,943.28 and 68,687.30

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Solution

The fourth proportional to 126,047.47, 173,943.28 and 68,687.30 is: 94,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.47 : 173,943.28 = 68,687.30 : x
  2. Step 2: Convert to fraction form
    126,047.47/173,943.28 = 68,687.30/x
  3. Step 3: Cross multiply
    126,047.47x = 173,943.28 × 68,687.30
  4. Step 4: Simplify right side
    126,047.47x = 11,947,694,256.34
  5. Step 5: Solve for x
    x = 11,947,694,256.34/126,047.47
  6. Step 6: Final answer
    x = 94,787.26

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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.