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Finding the Fourth Proportional to 107,821.60, 161,737.20 and 36,743.20

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Solution

The fourth proportional to 107,821.60, 161,737.20 and 36,743.20 is: 55,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,821.60 : 161,737.20 = 36,743.20 : x
  2. Step 2: Convert to fraction form
    107,821.60/161,737.20 = 36,743.20/x
  3. Step 3: Cross multiply
    107,821.60x = 161,737.20 × 36,743.20
  4. Step 4: Simplify right side
    107,821.60x = 5,942,742,287.04
  5. Step 5: Solve for x
    x = 5,942,742,287.04/107,821.60
  6. Step 6: Final answer
    x = 55,116.44

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