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Finding the Fourth Proportional to 103,951.32, 155,794.41 and 50,656.02

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Solution

The fourth proportional to 103,951.32, 155,794.41 and 50,656.02 is: 75,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,951.32 : 155,794.41 = 50,656.02 : x
  2. Step 2: Convert to fraction form
    103,951.32/155,794.41 = 50,656.02/x
  3. Step 3: Cross multiply
    103,951.32x = 155,794.41 × 50,656.02
  4. Step 4: Simplify right side
    103,951.32x = 7,891,924,748.85
  5. Step 5: Solve for x
    x = 7,891,924,748.85/103,951.32
  6. Step 6: Final answer
    x = 75,919.43

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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.