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Finding the Fourth Proportional to 110,359.80, 165,539.70 and 43,815.80

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Solution

The fourth proportional to 110,359.80, 165,539.70 and 43,815.80 is: 65,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,359.80 : 165,539.70 = 43,815.80 : x
  2. Step 2: Convert to fraction form
    110,359.80/165,539.70 = 43,815.80/x
  3. Step 3: Cross multiply
    110,359.80x = 165,539.70 × 43,815.80
  4. Step 4: Simplify right side
    110,359.80x = 7,253,254,387.26
  5. Step 5: Solve for x
    x = 7,253,254,387.26/110,359.80
  6. Step 6: Final answer
    x = 65,723.70

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