Home / 159,132.32-219,540.44-91,112.94

Finding the Fourth Proportional to 159,132.32, 219,540.44 and 91,112.94

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Solution

The fourth proportional to 159,132.32, 219,540.44 and 91,112.94 is: 125,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,132.32 : 219,540.44 = 91,112.94 : x
  2. Step 2: Convert to fraction form
    159,132.32/219,540.44 = 91,112.94/x
  3. Step 3: Cross multiply
    159,132.32x = 219,540.44 × 91,112.94
  4. Step 4: Simplify right side
    159,132.32x = 20,002,974,481.73
  5. Step 5: Solve for x
    x = 20,002,974,481.73/159,132.32
  6. Step 6: Final answer
    x = 125,700.27

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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.