Home / 198,850.02-274,407.51-108,203.88

Finding the Fourth Proportional to 198,850.02, 274,407.51 and 108,203.88

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Solution

The fourth proportional to 198,850.02, 274,407.51 and 108,203.88 is: 149,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,850.02 : 274,407.51 = 108,203.88 : x
  2. Step 2: Convert to fraction form
    198,850.02/274,407.51 = 108,203.88/x
  3. Step 3: Cross multiply
    198,850.02x = 274,407.51 × 108,203.88
  4. Step 4: Simplify right side
    198,850.02x = 29,691,957,283.14
  5. Step 5: Solve for x
    x = 29,691,957,283.14/198,850.02
  6. Step 6: Final answer
    x = 149,318.35

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1.5x scale

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.