Home / 198,867.64-298,262.58-74,183.80

Finding the Fourth Proportional to 198,867.64, 298,262.58 and 74,183.80

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Solution

The fourth proportional to 198,867.64, 298,262.58 and 74,183.80 is: 111,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,867.64 : 298,262.58 = 74,183.80 : x
  2. Step 2: Convert to fraction form
    198,867.64/298,262.58 = 74,183.80/x
  3. Step 3: Cross multiply
    198,867.64x = 298,262.58 × 74,183.80
  4. Step 4: Simplify right side
    198,867.64x = 22,126,251,582.20
  5. Step 5: Solve for x
    x = 22,126,251,582.20/198,867.64
  6. Step 6: Final answer
    x = 111,261.20

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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.