Home / 198,927.86-274,523.94-108,286.43

Finding the Fourth Proportional to 198,927.86, 274,523.94 and 108,286.43

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Solution

The fourth proportional to 198,927.86, 274,523.94 and 108,286.43 is: 149,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,927.86 : 274,523.94 = 108,286.43 : x
  2. Step 2: Convert to fraction form
    198,927.86/274,523.94 = 108,286.43/x
  3. Step 3: Cross multiply
    198,927.86x = 274,523.94 × 108,286.43
  4. Step 4: Simplify right side
    198,927.86x = 29,727,216,039.51
  5. Step 5: Solve for x
    x = 29,727,216,039.51/198,927.86
  6. Step 6: Final answer
    x = 149,437.17

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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.