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Finding the Fourth Proportional to 107,422.80, 161,191.80 and 45,099.60

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Solution

The fourth proportional to 107,422.80, 161,191.80 and 45,099.60 is: 67,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,422.80 : 161,191.80 = 45,099.60 : x
  2. Step 2: Convert to fraction form
    107,422.80/161,191.80 = 45,099.60/x
  3. Step 3: Cross multiply
    107,422.80x = 161,191.80 × 45,099.60
  4. Step 4: Simplify right side
    107,422.80x = 7,269,685,703.28
  5. Step 5: Solve for x
    x = 7,269,685,703.28/107,422.80
  6. Step 6: Final answer
    x = 67,673.58

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