Home / 159,972.32-220,757.58-88,350.80

Finding the Fourth Proportional to 159,972.32, 220,757.58 and 88,350.80

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Solution

The fourth proportional to 159,972.32, 220,757.58 and 88,350.80 is: 121,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,972.32 : 220,757.58 = 88,350.80 : x
  2. Step 2: Convert to fraction form
    159,972.32/220,757.58 = 88,350.80/x
  3. Step 3: Cross multiply
    159,972.32x = 220,757.58 × 88,350.80
  4. Step 4: Simplify right side
    159,972.32x = 19,504,108,799.06
  5. Step 5: Solve for x
    x = 19,504,108,799.06/159,972.32
  6. Step 6: Final answer
    x = 121,921.77

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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.