Home / 168,238.38-232,160.77-100,253.85

Finding the Fourth Proportional to 168,238.38, 232,160.77 and 100,253.85

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Solution

The fourth proportional to 168,238.38, 232,160.77 and 100,253.85 is: 138,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,238.38 : 232,160.77 = 100,253.85 : x
  2. Step 2: Convert to fraction form
    168,238.38/232,160.77 = 100,253.85/x
  3. Step 3: Cross multiply
    168,238.38x = 232,160.77 × 100,253.85
  4. Step 4: Simplify right side
    168,238.38x = 23,275,010,266.18
  5. Step 5: Solve for x
    x = 23,275,010,266.18/168,238.38
  6. Step 6: Final answer
    x = 138,345.42

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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.