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Finding the Fourth Proportional to 165,687.60, 248,531.40 and 147,716.40

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Solution

The fourth proportional to 165,687.60, 248,531.40 and 147,716.40 is: 221,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.60 : 248,531.40 = 147,716.40 : x
  2. Step 2: Convert to fraction form
    165,687.60/248,531.40 = 147,716.40/x
  3. Step 3: Cross multiply
    165,687.60x = 248,531.40 × 147,716.40
  4. Step 4: Simplify right side
    165,687.60x = 36,712,163,694.96
  5. Step 5: Solve for x
    x = 36,712,163,694.96/165,687.60
  6. Step 6: Final answer
    x = 221,574.60

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