Home / 126,983.28-175,201.44-100,042.26

Finding the Fourth Proportional to 126,983.28, 175,201.44 and 100,042.26

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Solution

The fourth proportional to 126,983.28, 175,201.44 and 100,042.26 is: 138,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,983.28 : 175,201.44 = 100,042.26 : x
  2. Step 2: Convert to fraction form
    126,983.28/175,201.44 = 100,042.26/x
  3. Step 3: Cross multiply
    126,983.28x = 175,201.44 × 100,042.26
  4. Step 4: Simplify right side
    126,983.28x = 17,527,548,012.85
  5. Step 5: Solve for x
    x = 17,527,548,012.85/126,983.28
  6. Step 6: Final answer
    x = 138,030.36

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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.