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Finding the Fourth Proportional to 103,665.30, 155,497.95 and 37,107.60

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Solution

The fourth proportional to 103,665.30, 155,497.95 and 37,107.60 is: 55,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,665.30 : 155,497.95 = 37,107.60 : x
  2. Step 2: Convert to fraction form
    103,665.30/155,497.95 = 37,107.60/x
  3. Step 3: Cross multiply
    103,665.30x = 155,497.95 × 37,107.60
  4. Step 4: Simplify right side
    103,665.30x = 5,770,155,729.42
  5. Step 5: Solve for x
    x = 5,770,155,729.42/103,665.30
  6. Step 6: Final answer
    x = 55,661.40

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