Home / 198,701.47-274,209.87-108,058.29

Finding the Fourth Proportional to 198,701.47, 274,209.87 and 108,058.29

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Solution

The fourth proportional to 198,701.47, 274,209.87 and 108,058.29 is: 149,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,701.47 : 274,209.87 = 108,058.29 : x
  2. Step 2: Convert to fraction form
    198,701.47/274,209.87 = 108,058.29/x
  3. Step 3: Cross multiply
    198,701.47x = 274,209.87 × 108,058.29
  4. Step 4: Simplify right side
    198,701.47x = 29,630,649,653.32
  5. Step 5: Solve for x
    x = 29,630,649,653.32/198,701.47
  6. Step 6: Final answer
    x = 149,121.44

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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.