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Finding the Fourth Proportional to 110,245.60, 165,368.40 and 70,879.60

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Solution

The fourth proportional to 110,245.60, 165,368.40 and 70,879.60 is: 106,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,245.60 : 165,368.40 = 70,879.60 : x
  2. Step 2: Convert to fraction form
    110,245.60/165,368.40 = 70,879.60/x
  3. Step 3: Cross multiply
    110,245.60x = 165,368.40 × 70,879.60
  4. Step 4: Simplify right side
    110,245.60x = 11,721,246,044.64
  5. Step 5: Solve for x
    x = 11,721,246,044.64/110,245.60
  6. Step 6: Final answer
    x = 106,319.40

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