Home / 198,924.06-298,505.87-72,575.40

Finding the Fourth Proportional to 198,924.06, 298,505.87 and 72,575.40

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Solution

The fourth proportional to 198,924.06, 298,505.87 and 72,575.40 is: 108,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,924.06 : 298,505.87 = 72,575.40 : x
  2. Step 2: Convert to fraction form
    198,924.06/298,505.87 = 72,575.40/x
  3. Step 3: Cross multiply
    198,924.06x = 298,505.87 × 72,575.40
  4. Step 4: Simplify right side
    198,924.06x = 21,664,182,917.60
  5. Step 5: Solve for x
    x = 21,664,182,917.60/198,924.06
  6. Step 6: Final answer
    x = 108,906.80

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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.