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Finding the Fourth Proportional to 188,169.66, 259,668.81 and 103,286.64

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Solution

The fourth proportional to 188,169.66, 259,668.81 and 103,286.64 is: 142,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,169.66 : 259,668.81 = 103,286.64 : x
  2. Step 2: Convert to fraction form
    188,169.66/259,668.81 = 103,286.64/x
  3. Step 3: Cross multiply
    188,169.66x = 259,668.81 × 103,286.64
  4. Step 4: Simplify right side
    188,169.66x = 26,820,318,897.70
  5. Step 5: Solve for x
    x = 26,820,318,897.70/188,169.66
  6. Step 6: Final answer
    x = 142,532.64

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