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Finding the Fourth Proportional to 171,078.80, 256,618.20 and 164,080.40

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Solution

The fourth proportional to 171,078.80, 256,618.20 and 164,080.40 is: 246,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,078.80 : 256,618.20 = 164,080.40 : x
  2. Step 2: Convert to fraction form
    171,078.80/256,618.20 = 164,080.40/x
  3. Step 3: Cross multiply
    171,078.80x = 256,618.20 × 164,080.40
  4. Step 4: Simplify right side
    171,078.80x = 42,106,016,903.28
  5. Step 5: Solve for x
    x = 42,106,016,903.28/171,078.80
  6. Step 6: Final answer
    x = 246,120.60

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