Home / 133,074.60-199,634.94-54,231.72

Finding the Fourth Proportional to 133,074.60, 199,634.94 and 54,231.72

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Solution

The fourth proportional to 133,074.60, 199,634.94 and 54,231.72 is: 81,356.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.60 : 199,634.94 = 54,231.72 : x
  2. Step 2: Convert to fraction form
    133,074.60/199,634.94 = 54,231.72/x
  3. Step 3: Cross multiply
    133,074.60x = 199,634.94 × 54,231.72
  4. Step 4: Simplify right side
    133,074.60x = 10,826,546,168.30
  5. Step 5: Solve for x
    x = 10,826,546,168.30/133,074.60
  6. Step 6: Final answer
    x = 81,356.97

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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.