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Finding the Fourth Proportional to 117,591.36, 162,301.74 and 72,308.30

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Solution

The fourth proportional to 117,591.36, 162,301.74 and 72,308.30 is: 99,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.36 : 162,301.74 = 72,308.30 : x
  2. Step 2: Convert to fraction form
    117,591.36/162,301.74 = 72,308.30/x
  3. Step 3: Cross multiply
    117,591.36x = 162,301.74 × 72,308.30
  4. Step 4: Simplify right side
    117,591.36x = 11,735,762,906.44
  5. Step 5: Solve for x
    x = 11,735,762,906.44/117,591.36
  6. Step 6: Final answer
    x = 99,801.23

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