Home / 199,066.20-274,716.56-108,425.60

Finding the Fourth Proportional to 199,066.20, 274,716.56 and 108,425.60

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Solution

The fourth proportional to 199,066.20, 274,716.56 and 108,425.60 is: 149,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,066.20 : 274,716.56 = 108,425.60 : x
  2. Step 2: Convert to fraction form
    199,066.20/274,716.56 = 108,425.60/x
  3. Step 3: Cross multiply
    199,066.20x = 274,716.56 × 108,425.60
  4. Step 4: Simplify right side
    199,066.20x = 29,786,307,847.94
  5. Step 5: Solve for x
    x = 29,786,307,847.94/199,066.20
  6. Step 6: Final answer
    x = 149,630.16

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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.