Home / 198,745.27-274,243.56-134,354.60

Finding the Fourth Proportional to 198,745.27, 274,243.56 and 134,354.60

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Solution

The fourth proportional to 198,745.27, 274,243.56 and 134,354.60 is: 185,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,745.27 : 274,243.56 = 134,354.60 : x
  2. Step 2: Convert to fraction form
    198,745.27/274,243.56 = 134,354.60/x
  3. Step 3: Cross multiply
    198,745.27x = 274,243.56 × 134,354.60
  4. Step 4: Simplify right side
    198,745.27x = 36,845,885,258.11
  5. Step 5: Solve for x
    x = 36,845,885,258.11/198,745.27
  6. Step 6: Final answer
    x = 185,392.52

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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.