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Finding the Fourth Proportional to 167,661.60, 251,200.80 and 137,918.40

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Solution

The fourth proportional to 167,661.60, 251,200.80 and 137,918.40 is: 206,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,661.60 : 251,200.80 = 137,918.40 : x
  2. Step 2: Convert to fraction form
    167,661.60/251,200.80 = 137,918.40/x
  3. Step 3: Cross multiply
    167,661.60x = 251,200.80 × 137,918.40
  4. Step 4: Simplify right side
    167,661.60x = 34,645,212,414.72
  5. Step 5: Solve for x
    x = 34,645,212,414.72/167,661.60
  6. Step 6: Final answer
    x = 206,637.73

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