Home / 197,929.50-273,160-108,522.78

Finding the Fourth Proportional to 197,929.50, 273,160 and 108,522.78

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Solution

The fourth proportional to 197,929.50, 273,160 and 108,522.78 is: 149,770.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,929.50 : 273,160 = 108,522.78 : x
  2. Step 2: Convert to fraction form
    197,929.50/273,160 = 108,522.78/x
  3. Step 3: Cross multiply
    197,929.50x = 273,160 × 108,522.78
  4. Step 4: Simplify right side
    197,929.50x = 29,644,082,584.80
  5. Step 5: Solve for x
    x = 29,644,082,584.80/197,929.50
  6. Step 6: Final answer
    x = 149,770.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.