Home / 199,265.74-274,986.43-108,621.88

Finding the Fourth Proportional to 199,265.74, 274,986.43 and 108,621.88

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Solution

The fourth proportional to 199,265.74, 274,986.43 and 108,621.88 is: 149,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,265.74 : 274,986.43 = 108,621.88 : x
  2. Step 2: Convert to fraction form
    199,265.74/274,986.43 = 108,621.88/x
  3. Step 3: Cross multiply
    199,265.74x = 274,986.43 × 108,621.88
  4. Step 4: Simplify right side
    199,265.74x = 29,869,543,001.09
  5. Step 5: Solve for x
    x = 29,869,543,001.09/199,265.74
  6. Step 6: Final answer
    x = 149,898.04

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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.