Home / 198,494.62-297,785.67-109,877.38

Finding the Fourth Proportional to 198,494.62, 297,785.67 and 109,877.38

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Solution

The fourth proportional to 198,494.62, 297,785.67 and 109,877.38 is: 164,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,494.62 : 297,785.67 = 109,877.38 : x
  2. Step 2: Convert to fraction form
    198,494.62/297,785.67 = 109,877.38/x
  3. Step 3: Cross multiply
    198,494.62x = 297,785.67 × 109,877.38
  4. Step 4: Simplify right side
    198,494.62x = 32,719,909,221.14
  5. Step 5: Solve for x
    x = 32,719,909,221.14/198,494.62
  6. Step 6: Final answer
    x = 164,840.28

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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.