Home / 198,955.68-274,562.34-108,314.24

Finding the Fourth Proportional to 198,955.68, 274,562.34 and 108,314.24

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Solution

The fourth proportional to 198,955.68, 274,562.34 and 108,314.24 is: 149,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,955.68 : 274,562.34 = 108,314.24 : x
  2. Step 2: Convert to fraction form
    198,955.68/274,562.34 = 108,314.24/x
  3. Step 3: Cross multiply
    198,955.68x = 274,562.34 × 108,314.24
  4. Step 4: Simplify right side
    198,955.68x = 29,739,011,189.72
  5. Step 5: Solve for x
    x = 29,739,011,189.72/198,955.68
  6. Step 6: Final answer
    x = 149,475.56

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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.