Home / 199,161.28-274,839.08-108,518

Finding the Fourth Proportional to 199,161.28, 274,839.08 and 108,518

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Solution

The fourth proportional to 199,161.28, 274,839.08 and 108,518 is: 149,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,161.28 : 274,839.08 = 108,518 : x
  2. Step 2: Convert to fraction form
    199,161.28/274,839.08 = 108,518/x
  3. Step 3: Cross multiply
    199,161.28x = 274,839.08 × 108,518
  4. Step 4: Simplify right side
    199,161.28x = 29,824,987,283.44
  5. Step 5: Solve for x
    x = 29,824,987,283.44/199,161.28
  6. Step 6: Final answer
    x = 149,752.94

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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.