Home / 198,818.35-274,361.11-108,174.67

Finding the Fourth Proportional to 198,818.35, 274,361.11 and 108,174.67

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Solution

The fourth proportional to 198,818.35, 274,361.11 and 108,174.67 is: 149,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,818.35 : 274,361.11 = 108,174.67 : x
  2. Step 2: Convert to fraction form
    198,818.35/274,361.11 = 108,174.67/x
  3. Step 3: Cross multiply
    198,818.35x = 274,361.11 × 108,174.67
  4. Step 4: Simplify right side
    198,818.35x = 29,678,923,122.03
  5. Step 5: Solve for x
    x = 29,678,923,122.03/198,818.35
  6. Step 6: Final answer
    x = 149,276.58

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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.