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Finding the Fourth Proportional to 218,489.98, 301,504.71 and 122,993.50

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Solution

The fourth proportional to 218,489.98, 301,504.71 and 122,993.50 is: 169,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,489.98 : 301,504.71 = 122,993.50 : x
  2. Step 2: Convert to fraction form
    218,489.98/301,504.71 = 122,993.50/x
  3. Step 3: Cross multiply
    218,489.98x = 301,504.71 × 122,993.50
  4. Step 4: Simplify right side
    218,489.98x = 37,083,119,549.39
  5. Step 5: Solve for x
    x = 37,083,119,549.39/218,489.98
  6. Step 6: Final answer
    x = 169,724.58

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