Home / 199,067.28-274,716.12-108,425

Finding the Fourth Proportional to 199,067.28, 274,716.12 and 108,425

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Solution

The fourth proportional to 199,067.28, 274,716.12 and 108,425 is: 149,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,067.28 : 274,716.12 = 108,425 : x
  2. Step 2: Convert to fraction form
    199,067.28/274,716.12 = 108,425/x
  3. Step 3: Cross multiply
    199,067.28x = 274,716.12 × 108,425
  4. Step 4: Simplify right side
    199,067.28x = 29,786,095,311
  5. Step 5: Solve for x
    x = 29,786,095,311/199,067.28
  6. Step 6: Final answer
    x = 149,628.28

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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.