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Finding the Fourth Proportional to 120,480.87, 166,263.99 and 66,766.77

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Solution

The fourth proportional to 120,480.87, 166,263.99 and 66,766.77 is: 92,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,480.87 : 166,263.99 = 66,766.77 : x
  2. Step 2: Convert to fraction form
    120,480.87/166,263.99 = 66,766.77/x
  3. Step 3: Cross multiply
    120,480.87x = 166,263.99 × 66,766.77
  4. Step 4: Simplify right side
    120,480.87x = 11,100,909,579.61
  5. Step 5: Solve for x
    x = 11,100,909,579.61/120,480.87
  6. Step 6: Final answer
    x = 92,138.36

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