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Finding the Fourth Proportional to 165,679.60, 248,551.80 and 70,909.60

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Solution

The fourth proportional to 165,679.60, 248,551.80 and 70,909.60 is: 106,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,679.60 : 248,551.80 = 70,909.60 : x
  2. Step 2: Convert to fraction form
    165,679.60/248,551.80 = 70,909.60/x
  3. Step 3: Cross multiply
    165,679.60x = 248,551.80 × 70,909.60
  4. Step 4: Simplify right side
    165,679.60x = 17,624,708,717.28
  5. Step 5: Solve for x
    x = 17,624,708,717.28/165,679.60
  6. Step 6: Final answer
    x = 106,378.27

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