Home / 109,326.97-150,819.67-63,977.15

Finding the Fourth Proportional to 109,326.97, 150,819.67 and 63,977.15

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Solution

The fourth proportional to 109,326.97, 150,819.67 and 63,977.15 is: 88,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,326.97 : 150,819.67 = 63,977.15 : x
  2. Step 2: Convert to fraction form
    109,326.97/150,819.67 = 63,977.15/x
  3. Step 3: Cross multiply
    109,326.97x = 150,819.67 × 63,977.15
  4. Step 4: Simplify right side
    109,326.97x = 9,649,013,107.56
  5. Step 5: Solve for x
    x = 9,649,013,107.56/109,326.97
  6. Step 6: Final answer
    x = 88,258.30

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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.