Home / 126,301.32-188,970.84-112,304.52

Finding the Fourth Proportional to 126,301.32, 188,970.84 and 112,304.52

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Solution

The fourth proportional to 126,301.32, 188,970.84 and 112,304.52 is: 168,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.32 : 188,970.84 = 112,304.52 : x
  2. Step 2: Convert to fraction form
    126,301.32/188,970.84 = 112,304.52/x
  3. Step 3: Cross multiply
    126,301.32x = 188,970.84 × 112,304.52
  4. Step 4: Simplify right side
    126,301.32x = 21,222,279,480.20
  5. Step 5: Solve for x
    x = 21,222,279,480.20/126,301.32
  6. Step 6: Final answer
    x = 168,028.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.