Home / 198,816.96-298,215.72-74,148.24

Finding the Fourth Proportional to 198,816.96, 298,215.72 and 74,148.24

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Solution

The fourth proportional to 198,816.96, 298,215.72 and 74,148.24 is: 111,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,816.96 : 298,215.72 = 74,148.24 : x
  2. Step 2: Convert to fraction form
    198,816.96/298,215.72 = 74,148.24/x
  3. Step 3: Cross multiply
    198,816.96x = 298,215.72 × 74,148.24
  4. Step 4: Simplify right side
    198,816.96x = 22,112,170,778.33
  5. Step 5: Solve for x
    x = 22,112,170,778.33/198,816.96
  6. Step 6: Final answer
    x = 111,218.73

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1.5x scale

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.