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Finding the Fourth Proportional to 107,989.60, 161,935.80 and 48,794.80

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Solution

The fourth proportional to 107,989.60, 161,935.80 and 48,794.80 is: 73,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,989.60 : 161,935.80 = 48,794.80 : x
  2. Step 2: Convert to fraction form
    107,989.60/161,935.80 = 48,794.80/x
  3. Step 3: Cross multiply
    107,989.60x = 161,935.80 × 48,794.80
  4. Step 4: Simplify right side
    107,989.60x = 7,901,624,973.84
  5. Step 5: Solve for x
    x = 7,901,624,973.84/107,989.60
  6. Step 6: Final answer
    x = 73,170.24

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