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Finding the Fourth Proportional to 110,221.60, 165,332.40 and 70,855.60

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Solution

The fourth proportional to 110,221.60, 165,332.40 and 70,855.60 is: 106,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.60 : 165,332.40 = 70,855.60 : x
  2. Step 2: Convert to fraction form
    110,221.60/165,332.40 = 70,855.60/x
  3. Step 3: Cross multiply
    110,221.60x = 165,332.40 × 70,855.60
  4. Step 4: Simplify right side
    110,221.60x = 11,714,726,401.44
  5. Step 5: Solve for x
    x = 11,714,726,401.44/110,221.60
  6. Step 6: Final answer
    x = 106,283.40

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