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Finding the Fourth Proportional to 165,681.60, 248,716.80 and 164,515.20

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Solution

The fourth proportional to 165,681.60, 248,716.80 and 164,515.20 is: 246,965.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,681.60 : 248,716.80 = 164,515.20 : x
  2. Step 2: Convert to fraction form
    165,681.60/248,716.80 = 164,515.20/x
  3. Step 3: Cross multiply
    165,681.60x = 248,716.80 × 164,515.20
  4. Step 4: Simplify right side
    165,681.60x = 40,917,694,095.36
  5. Step 5: Solve for x
    x = 40,917,694,095.36/165,681.60
  6. Step 6: Final answer
    x = 246,965.83

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