Home / 198,840.45-274,404.52-112,805.24

Finding the Fourth Proportional to 198,840.45, 274,404.52 and 112,805.24

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Solution

The fourth proportional to 198,840.45, 274,404.52 and 112,805.24 is: 155,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,840.45 : 274,404.52 = 112,805.24 : x
  2. Step 2: Convert to fraction form
    198,840.45/274,404.52 = 112,805.24/x
  3. Step 3: Cross multiply
    198,840.45x = 274,404.52 × 112,805.24
  4. Step 4: Simplify right side
    198,840.45x = 30,954,268,139.68
  5. Step 5: Solve for x
    x = 30,954,268,139.68/198,840.45
  6. Step 6: Final answer
    x = 155,673.90

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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.