Home / 159,722.04-220,414.92-88,102.56

Finding the Fourth Proportional to 159,722.04, 220,414.92 and 88,102.56

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Solution

The fourth proportional to 159,722.04, 220,414.92 and 88,102.56 is: 121,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,722.04 : 220,414.92 = 88,102.56 : x
  2. Step 2: Convert to fraction form
    159,722.04/220,414.92 = 88,102.56/x
  3. Step 3: Cross multiply
    159,722.04x = 220,414.92 × 88,102.56
  4. Step 4: Simplify right side
    159,722.04x = 19,419,118,714.20
  5. Step 5: Solve for x
    x = 19,419,118,714.20/159,722.04
  6. Step 6: Final answer
    x = 121,580.71

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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.