Home / 252,067.38-347,854.05-138,890.22

Finding the Fourth Proportional to 252,067.38, 347,854.05 and 138,890.22

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Solution

The fourth proportional to 252,067.38, 347,854.05 and 138,890.22 is: 191,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,067.38 : 347,854.05 = 138,890.22 : x
  2. Step 2: Convert to fraction form
    252,067.38/347,854.05 = 138,890.22/x
  3. Step 3: Cross multiply
    252,067.38x = 347,854.05 × 138,890.22
  4. Step 4: Simplify right side
    252,067.38x = 48,313,525,532.39
  5. Step 5: Solve for x
    x = 48,313,525,532.39/252,067.38
  6. Step 6: Final answer
    x = 191,669.09

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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.