Home / 198,911.64-298,367.46-74,262.36

Finding the Fourth Proportional to 198,911.64, 298,367.46 and 74,262.36

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Solution

The fourth proportional to 198,911.64, 298,367.46 and 74,262.36 is: 111,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,911.64 : 298,367.46 = 74,262.36 : x
  2. Step 2: Convert to fraction form
    198,911.64/298,367.46 = 74,262.36/x
  3. Step 3: Cross multiply
    198,911.64x = 298,367.46 × 74,262.36
  4. Step 4: Simplify right side
    198,911.64x = 22,157,471,726.81
  5. Step 5: Solve for x
    x = 22,157,471,726.81/198,911.64
  6. Step 6: Final answer
    x = 111,393.54

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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.