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Finding the Fourth Proportional to 165,718.80, 248,578.20 and 54,896.40

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Solution

The fourth proportional to 165,718.80, 248,578.20 and 54,896.40 is: 82,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,718.80 : 248,578.20 = 54,896.40 : x
  2. Step 2: Convert to fraction form
    165,718.80/248,578.20 = 54,896.40/x
  3. Step 3: Cross multiply
    165,718.80x = 248,578.20 × 54,896.40
  4. Step 4: Simplify right side
    165,718.80x = 13,646,048,298.48
  5. Step 5: Solve for x
    x = 13,646,048,298.48/165,718.80
  6. Step 6: Final answer
    x = 82,344.60

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