Home / 198,961.76-274,625.16-158,954.24

Finding the Fourth Proportional to 198,961.76, 274,625.16 and 158,954.24

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Solution

The fourth proportional to 198,961.76, 274,625.16 and 158,954.24 is: 219,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,961.76 : 274,625.16 = 158,954.24 : x
  2. Step 2: Convert to fraction form
    198,961.76/274,625.16 = 158,954.24/x
  3. Step 3: Cross multiply
    198,961.76x = 274,625.16 × 158,954.24
  4. Step 4: Simplify right side
    198,961.76x = 43,652,833,592.68
  5. Step 5: Solve for x
    x = 43,652,833,592.68/198,961.76
  6. Step 6: Final answer
    x = 219,403.13

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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.