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Finding the Fourth Proportional to 107,940.10, 161,910.15 and 88,240.90

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Solution

The fourth proportional to 107,940.10, 161,910.15 and 88,240.90 is: 132,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,940.10 : 161,910.15 = 88,240.90 : x
  2. Step 2: Convert to fraction form
    107,940.10/161,910.15 = 88,240.90/x
  3. Step 3: Cross multiply
    107,940.10x = 161,910.15 × 88,240.90
  4. Step 4: Simplify right side
    107,940.10x = 14,287,097,355.14
  5. Step 5: Solve for x
    x = 14,287,097,355.14/107,940.10
  6. Step 6: Final answer
    x = 132,361.35

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