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Finding the Fourth Proportional to 218,074.60, 300,974.82 and 122,589.16

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Solution

The fourth proportional to 218,074.60, 300,974.82 and 122,589.16 is: 169,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,074.60 : 300,974.82 = 122,589.16 : x
  2. Step 2: Convert to fraction form
    218,074.60/300,974.82 = 122,589.16/x
  3. Step 3: Cross multiply
    218,074.60x = 300,974.82 × 122,589.16
  4. Step 4: Simplify right side
    218,074.60x = 36,896,250,364.95
  5. Step 5: Solve for x
    x = 36,896,250,364.95/218,074.60
  6. Step 6: Final answer
    x = 169,190.96

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