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Finding the Fourth Proportional to 91,940.10, 137,910.15 and 29,610.60

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Solution

The fourth proportional to 91,940.10, 137,910.15 and 29,610.60 is: 44,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,940.10 : 137,910.15 = 29,610.60 : x
  2. Step 2: Convert to fraction form
    91,940.10/137,910.15 = 29,610.60/x
  3. Step 3: Cross multiply
    91,940.10x = 137,910.15 × 29,610.60
  4. Step 4: Simplify right side
    91,940.10x = 4,083,602,287.59
  5. Step 5: Solve for x
    x = 4,083,602,287.59/91,940.10
  6. Step 6: Final answer
    x = 44,415.90

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