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Finding the Fourth Proportional to 126,951.64, 175,186.52 and 73,233.48

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Solution

The fourth proportional to 126,951.64, 175,186.52 and 73,233.48 is: 101,058.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,951.64 : 175,186.52 = 73,233.48 : x
  2. Step 2: Convert to fraction form
    126,951.64/175,186.52 = 73,233.48/x
  3. Step 3: Cross multiply
    126,951.64x = 175,186.52 × 73,233.48
  4. Step 4: Simplify right side
    126,951.64x = 12,829,518,508.69
  5. Step 5: Solve for x
    x = 12,829,518,508.69/126,951.64
  6. Step 6: Final answer
    x = 101,058.31

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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.