Home / 159,246.31-219,734.79-91,250.20

Finding the Fourth Proportional to 159,246.31, 219,734.79 and 91,250.20

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Solution

The fourth proportional to 159,246.31, 219,734.79 and 91,250.20 is: 125,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,246.31 : 219,734.79 = 91,250.20 : x
  2. Step 2: Convert to fraction form
    159,246.31/219,734.79 = 91,250.20/x
  3. Step 3: Cross multiply
    159,246.31x = 219,734.79 × 91,250.20
  4. Step 4: Simplify right side
    159,246.31x = 20,050,843,534.46
  5. Step 5: Solve for x
    x = 20,050,843,534.46/159,246.31
  6. Step 6: Final answer
    x = 125,910.88

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1.5x scale

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.