Home / 198,945.42-274,536.27-108,299.50

Finding the Fourth Proportional to 198,945.42, 274,536.27 and 108,299.50

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Solution

The fourth proportional to 198,945.42, 274,536.27 and 108,299.50 is: 149,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,945.42 : 274,536.27 = 108,299.50 : x
  2. Step 2: Convert to fraction form
    198,945.42/274,536.27 = 108,299.50/x
  3. Step 3: Cross multiply
    198,945.42x = 274,536.27 × 108,299.50
  4. Step 4: Simplify right side
    198,945.42x = 29,732,140,772.87
  5. Step 5: Solve for x
    x = 29,732,140,772.87/198,945.42
  6. Step 6: Final answer
    x = 149,448.73

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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.