Home / 199,171.43-274,853.02-108,528.18

Finding the Fourth Proportional to 199,171.43, 274,853.02 and 108,528.18

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Solution

The fourth proportional to 199,171.43, 274,853.02 and 108,528.18 is: 149,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,171.43 : 274,853.02 = 108,528.18 : x
  2. Step 2: Convert to fraction form
    199,171.43/274,853.02 = 108,528.18/x
  3. Step 3: Cross multiply
    199,171.43x = 274,853.02 × 108,528.18
  4. Step 4: Simplify right side
    199,171.43x = 29,829,296,111.20
  5. Step 5: Solve for x
    x = 29,829,296,111.20/199,171.43
  6. Step 6: Final answer
    x = 149,766.95

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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.