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Finding the Fourth Proportional to 121,775, 182,589.60 and 50,611.88

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Solution

The fourth proportional to 121,775, 182,589.60 and 50,611.88 is: 75,887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,775 : 182,589.60 = 50,611.88 : x
  2. Step 2: Convert to fraction form
    121,775/182,589.60 = 50,611.88/x
  3. Step 3: Cross multiply
    121,775x = 182,589.60 × 50,611.88
  4. Step 4: Simplify right side
    121,775x = 9,241,202,924.45
  5. Step 5: Solve for x
    x = 9,241,202,924.45/121,775
  6. Step 6: Final answer
    x = 75,887.52

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1.5x scale

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.