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Finding the Fourth Proportional to 107,837.40, 161,756.10 and 55,229.40

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Solution

The fourth proportional to 107,837.40, 161,756.10 and 55,229.40 is: 82,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,837.40 : 161,756.10 = 55,229.40 : x
  2. Step 2: Convert to fraction form
    107,837.40/161,756.10 = 55,229.40/x
  3. Step 3: Cross multiply
    107,837.40x = 161,756.10 × 55,229.40
  4. Step 4: Simplify right side
    107,837.40x = 8,933,692,349.34
  5. Step 5: Solve for x
    x = 8,933,692,349.34/107,837.40
  6. Step 6: Final answer
    x = 82,844.10

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