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Finding the Fourth Proportional to 107,326.80, 161,047.80 and 45,003.60

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Solution

The fourth proportional to 107,326.80, 161,047.80 and 45,003.60 is: 67,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,326.80 : 161,047.80 = 45,003.60 : x
  2. Step 2: Convert to fraction form
    107,326.80/161,047.80 = 45,003.60/x
  3. Step 3: Cross multiply
    107,326.80x = 161,047.80 × 45,003.60
  4. Step 4: Simplify right side
    107,326.80x = 7,247,730,772.08
  5. Step 5: Solve for x
    x = 7,247,730,772.08/107,326.80
  6. Step 6: Final answer
    x = 67,529.55

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