Home / 198,628.62-274,109.81-107,982.59

Finding the Fourth Proportional to 198,628.62, 274,109.81 and 107,982.59

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Solution

The fourth proportional to 198,628.62, 274,109.81 and 107,982.59 is: 149,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,628.62 : 274,109.81 = 107,982.59 : x
  2. Step 2: Convert to fraction form
    198,628.62/274,109.81 = 107,982.59/x
  3. Step 3: Cross multiply
    198,628.62x = 274,109.81 × 107,982.59
  4. Step 4: Simplify right side
    198,628.62x = 29,599,088,086.10
  5. Step 5: Solve for x
    x = 29,599,088,086.10/198,628.62
  6. Step 6: Final answer
    x = 149,017.24

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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.