Home / 194,920.60-268,987.52-108,880.78

Finding the Fourth Proportional to 194,920.60, 268,987.52 and 108,880.78

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Solution

The fourth proportional to 194,920.60, 268,987.52 and 108,880.78 is: 150,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,920.60 : 268,987.52 = 108,880.78 : x
  2. Step 2: Convert to fraction form
    194,920.60/268,987.52 = 108,880.78/x
  3. Step 3: Cross multiply
    194,920.60x = 268,987.52 × 108,880.78
  4. Step 4: Simplify right side
    194,920.60x = 29,287,570,987.87
  5. Step 5: Solve for x
    x = 29,287,570,987.87/194,920.60
  6. Step 6: Final answer
    x = 150,253.85

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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.