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Finding the Fourth Proportional to 165,716.80, 248,575.20 and 54,894.40

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Solution

The fourth proportional to 165,716.80, 248,575.20 and 54,894.40 is: 82,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,716.80 : 248,575.20 = 54,894.40 : x
  2. Step 2: Convert to fraction form
    165,716.80/248,575.20 = 54,894.40/x
  3. Step 3: Cross multiply
    165,716.80x = 248,575.20 × 54,894.40
  4. Step 4: Simplify right side
    165,716.80x = 13,645,386,458.88
  5. Step 5: Solve for x
    x = 13,645,386,458.88/165,716.80
  6. Step 6: Final answer
    x = 82,341.60

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