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Finding the Fourth Proportional to 108,833.20, 163,031.10 and 73,403.80

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Solution

The fourth proportional to 108,833.20, 163,031.10 and 73,403.80 is: 109,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,833.20 : 163,031.10 = 73,403.80 : x
  2. Step 2: Convert to fraction form
    108,833.20/163,031.10 = 73,403.80/x
  3. Step 3: Cross multiply
    108,833.20x = 163,031.10 × 73,403.80
  4. Step 4: Simplify right side
    108,833.20x = 11,967,102,258.18
  5. Step 5: Solve for x
    x = 11,967,102,258.18/108,833.20
  6. Step 6: Final answer
    x = 109,958.20

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