Home / 198,973.42-274,581.63-108,329.15

Finding the Fourth Proportional to 198,973.42, 274,581.63 and 108,329.15

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Solution

The fourth proportional to 198,973.42, 274,581.63 and 108,329.15 is: 149,493.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,973.42 : 274,581.63 = 108,329.15 : x
  2. Step 2: Convert to fraction form
    198,973.42/274,581.63 = 108,329.15/x
  3. Step 3: Cross multiply
    198,973.42x = 274,581.63 × 108,329.15
  4. Step 4: Simplify right side
    198,973.42x = 29,745,195,269.97
  5. Step 5: Solve for x
    x = 29,745,195,269.97/198,973.42
  6. Step 6: Final answer
    x = 149,493.31

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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.