Home / 198,867.74-274,434.62-109,443.74

Finding the Fourth Proportional to 198,867.74, 274,434.62 and 109,443.74

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Solution

The fourth proportional to 198,867.74, 274,434.62 and 109,443.74 is: 151,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,867.74 : 274,434.62 = 109,443.74 : x
  2. Step 2: Convert to fraction form
    198,867.74/274,434.62 = 109,443.74/x
  3. Step 3: Cross multiply
    198,867.74x = 274,434.62 × 109,443.74
  4. Step 4: Simplify right side
    198,867.74x = 30,035,151,198.28
  5. Step 5: Solve for x
    x = 30,035,151,198.28/198,867.74
  6. Step 6: Final answer
    x = 151,030.79

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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.