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Finding the Fourth Proportional to 108,536.20, 162,804.30 and 73,106.80

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Solution

The fourth proportional to 108,536.20, 162,804.30 and 73,106.80 is: 109,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,536.20 : 162,804.30 = 73,106.80 : x
  2. Step 2: Convert to fraction form
    108,536.20/162,804.30 = 73,106.80/x
  3. Step 3: Cross multiply
    108,536.20x = 162,804.30 × 73,106.80
  4. Step 4: Simplify right side
    108,536.20x = 11,902,101,399.24
  5. Step 5: Solve for x
    x = 11,902,101,399.24/108,536.20
  6. Step 6: Final answer
    x = 109,660.20

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