Home / 198,932.07-274,529.76-108,290.64

Finding the Fourth Proportional to 198,932.07, 274,529.76 and 108,290.64

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Solution

The fourth proportional to 198,932.07, 274,529.76 and 108,290.64 is: 149,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,932.07 : 274,529.76 = 108,290.64 : x
  2. Step 2: Convert to fraction form
    198,932.07/274,529.76 = 108,290.64/x
  3. Step 3: Cross multiply
    198,932.07x = 274,529.76 × 108,290.64
  4. Step 4: Simplify right side
    198,932.07x = 29,729,003,409.45
  5. Step 5: Solve for x
    x = 29,729,003,409.45/198,932.07
  6. Step 6: Final answer
    x = 149,442.99

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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.