Home / 198,923.45-274,760.96-144,388.53

Finding the Fourth Proportional to 198,923.45, 274,760.96 and 144,388.53

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Solution

The fourth proportional to 198,923.45, 274,760.96 and 144,388.53 is: 199,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,923.45 : 274,760.96 = 144,388.53 : x
  2. Step 2: Convert to fraction form
    198,923.45/274,760.96 = 144,388.53/x
  3. Step 3: Cross multiply
    198,923.45x = 274,760.96 × 144,388.53
  4. Step 4: Simplify right side
    198,923.45x = 39,672,330,393.85
  5. Step 5: Solve for x
    x = 39,672,330,393.85/198,923.45
  6. Step 6: Final answer
    x = 199,435.17

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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.