Home / 168,979.38-252,258.38-157,169.58

Finding the Fourth Proportional to 168,979.38, 252,258.38 and 157,169.58

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Solution

The fourth proportional to 168,979.38, 252,258.38 and 157,169.58 is: 234,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,979.38 : 252,258.38 = 157,169.58 : x
  2. Step 2: Convert to fraction form
    168,979.38/252,258.38 = 157,169.58/x
  3. Step 3: Cross multiply
    168,979.38x = 252,258.38 × 157,169.58
  4. Step 4: Simplify right side
    168,979.38x = 39,647,342,850.23
  5. Step 5: Solve for x
    x = 39,647,342,850.23/168,979.38
  6. Step 6: Final answer
    x = 234,628.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.