Home / 198,701.65-274,206.95-108,057.39

Finding the Fourth Proportional to 198,701.65, 274,206.95 and 108,057.39

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Solution

The fourth proportional to 198,701.65, 274,206.95 and 108,057.39 is: 149,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.65 : 274,206.95 = 108,057.39 : x
  2. Step 2: Convert to fraction form
    198,701.65/274,206.95 = 108,057.39/x
  3. Step 3: Cross multiply
    198,701.65x = 274,206.95 × 108,057.39
  4. Step 4: Simplify right side
    198,701.65x = 29,630,086,796.57
  5. Step 5: Solve for x
    x = 29,630,086,796.57/198,701.65
  6. Step 6: Final answer
    x = 149,118.48

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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.