Home / 198,622.60-298,049.10-73,976.20

Finding the Fourth Proportional to 198,622.60, 298,049.10 and 73,976.20

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Solution

The fourth proportional to 198,622.60, 298,049.10 and 73,976.20 is: 111,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,622.60 : 298,049.10 = 73,976.20 : x
  2. Step 2: Convert to fraction form
    198,622.60/298,049.10 = 73,976.20/x
  3. Step 3: Cross multiply
    198,622.60x = 298,049.10 × 73,976.20
  4. Step 4: Simplify right side
    198,622.60x = 22,048,539,831.42
  5. Step 5: Solve for x
    x = 22,048,539,831.42/198,622.60
  6. Step 6: Final answer
    x = 111,007.21

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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.