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Finding the Fourth Proportional to 171,049.60, 256,574.40 and 112,067.20

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Solution

The fourth proportional to 171,049.60, 256,574.40 and 112,067.20 is: 168,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,049.60 : 256,574.40 = 112,067.20 : x
  2. Step 2: Convert to fraction form
    171,049.60/256,574.40 = 112,067.20/x
  3. Step 3: Cross multiply
    171,049.60x = 256,574.40 × 112,067.20
  4. Step 4: Simplify right side
    171,049.60x = 28,753,574,599.68
  5. Step 5: Solve for x
    x = 28,753,574,599.68/171,049.60
  6. Step 6: Final answer
    x = 168,100.80

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