Home / 198,894.58-298,340.26-131,727.25

Finding the Fourth Proportional to 198,894.58, 298,340.26 and 131,727.25

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Solution

The fourth proportional to 198,894.58, 298,340.26 and 131,727.25 is: 197,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,894.58 : 298,340.26 = 131,727.25 : x
  2. Step 2: Convert to fraction form
    198,894.58/298,340.26 = 131,727.25/x
  3. Step 3: Cross multiply
    198,894.58x = 298,340.26 × 131,727.25
  4. Step 4: Simplify right side
    198,894.58x = 39,299,542,014.09
  5. Step 5: Solve for x
    x = 39,299,542,014.09/198,894.58
  6. Step 6: Final answer
    x = 197,589.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.