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Finding the Fourth Proportional to 120,791.60, 166,694.04 and 67,080.08

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Solution

The fourth proportional to 120,791.60, 166,694.04 and 67,080.08 is: 92,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,791.60 : 166,694.04 = 67,080.08 : x
  2. Step 2: Convert to fraction form
    120,791.60/166,694.04 = 67,080.08/x
  3. Step 3: Cross multiply
    120,791.60x = 166,694.04 × 67,080.08
  4. Step 4: Simplify right side
    120,791.60x = 11,181,849,538.72
  5. Step 5: Solve for x
    x = 11,181,849,538.72/120,791.60
  6. Step 6: Final answer
    x = 92,571.42

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