Home / 165,160.40-227,921.04-89,708.72

Finding the Fourth Proportional to 165,160.40, 227,921.04 and 89,708.72

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Solution

The fourth proportional to 165,160.40, 227,921.04 and 89,708.72 is: 123,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,160.40 : 227,921.04 = 89,708.72 : x
  2. Step 2: Convert to fraction form
    165,160.40/227,921.04 = 89,708.72/x
  3. Step 3: Cross multiply
    165,160.40x = 227,921.04 × 89,708.72
  4. Step 4: Simplify right side
    165,160.40x = 20,446,504,759.47
  5. Step 5: Solve for x
    x = 20,446,504,759.47/165,160.40
  6. Step 6: Final answer
    x = 123,797.86

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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.