Home / 126,993.24-175,215.24-100,052.28

Finding the Fourth Proportional to 126,993.24, 175,215.24 and 100,052.28

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Solution

The fourth proportional to 126,993.24, 175,215.24 and 100,052.28 is: 138,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,993.24 : 175,215.24 = 100,052.28 : x
  2. Step 2: Convert to fraction form
    126,993.24/175,215.24 = 100,052.28/x
  3. Step 3: Cross multiply
    126,993.24x = 175,215.24 × 100,052.28
  4. Step 4: Simplify right side
    126,993.24x = 17,530,684,252.75
  5. Step 5: Solve for x
    x = 17,530,684,252.75/126,993.24
  6. Step 6: Final answer
    x = 138,044.23

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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.