Home / 198,619.28-274,095.78-107,975.96

Finding the Fourth Proportional to 198,619.28, 274,095.78 and 107,975.96

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Solution

The fourth proportional to 198,619.28, 274,095.78 and 107,975.96 is: 149,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,619.28 : 274,095.78 = 107,975.96 : x
  2. Step 2: Convert to fraction form
    198,619.28/274,095.78 = 107,975.96/x
  3. Step 3: Cross multiply
    198,619.28x = 274,095.78 × 107,975.96
  4. Step 4: Simplify right side
    198,619.28x = 29,595,754,977.45
  5. Step 5: Solve for x
    x = 29,595,754,977.45/198,619.28
  6. Step 6: Final answer
    x = 149,007.46

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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.