Home / 198,853.75-274,372.69-112,792.18

Finding the Fourth Proportional to 198,853.75, 274,372.69 and 112,792.18

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Solution

The fourth proportional to 198,853.75, 274,372.69 and 112,792.18 is: 155,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,853.75 : 274,372.69 = 112,792.18 : x
  2. Step 2: Convert to fraction form
    198,853.75/274,372.69 = 112,792.18/x
  3. Step 3: Cross multiply
    198,853.75x = 274,372.69 × 112,792.18
  4. Step 4: Simplify right side
    198,853.75x = 30,947,093,837.56
  5. Step 5: Solve for x
    x = 30,947,093,837.56/198,853.75
  6. Step 6: Final answer
    x = 155,627.41

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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.