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Finding the Fourth Proportional to 135,250.43, 186,643.98 and 74,816.33

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Solution

The fourth proportional to 135,250.43, 186,643.98 and 74,816.33 is: 103,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,250.43 : 186,643.98 = 74,816.33 : x
  2. Step 2: Convert to fraction form
    135,250.43/186,643.98 = 74,816.33/x
  3. Step 3: Cross multiply
    135,250.43x = 186,643.98 × 74,816.33
  4. Step 4: Simplify right side
    135,250.43x = 13,964,017,600.19
  5. Step 5: Solve for x
    x = 13,964,017,600.19/135,250.43
  6. Step 6: Final answer
    x = 103,245.64

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