Home / 198,942.27-274,539.56-108,303.27

Finding the Fourth Proportional to 198,942.27, 274,539.56 and 108,303.27

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Solution

The fourth proportional to 198,942.27, 274,539.56 and 108,303.27 is: 149,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942.27 : 274,539.56 = 108,303.27 : x
  2. Step 2: Convert to fraction form
    198,942.27/274,539.56 = 108,303.27/x
  3. Step 3: Cross multiply
    198,942.27x = 274,539.56 × 108,303.27
  4. Step 4: Simplify right side
    198,942.27x = 29,733,531,550.84
  5. Step 5: Solve for x
    x = 29,733,531,550.84/198,942.27
  6. Step 6: Final answer
    x = 149,458.09

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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.