Home / 117,293.20-161,957.79-108,337.43

Finding the Fourth Proportional to 117,293.20, 161,957.79 and 108,337.43

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Solution

The fourth proportional to 117,293.20, 161,957.79 and 108,337.43 is: 149,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,293.20 : 161,957.79 = 108,337.43 : x
  2. Step 2: Convert to fraction form
    117,293.20/161,957.79 = 108,337.43/x
  3. Step 3: Cross multiply
    117,293.20x = 161,957.79 × 108,337.43
  4. Step 4: Simplify right side
    117,293.20x = 17,546,091,141.97
  5. Step 5: Solve for x
    x = 17,546,091,141.97/117,293.20
  6. Step 6: Final answer
    x = 149,591.72

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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.