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Finding the Fourth Proportional to 107,415.28, 161,139.30 and 54,796.06

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Solution

The fourth proportional to 107,415.28, 161,139.30 and 54,796.06 is: 82,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.28 : 161,139.30 = 54,796.06 : x
  2. Step 2: Convert to fraction form
    107,415.28/161,139.30 = 54,796.06/x
  3. Step 3: Cross multiply
    107,415.28x = 161,139.30 × 54,796.06
  4. Step 4: Simplify right side
    107,415.28x = 8,829,798,751.16
  5. Step 5: Solve for x
    x = 8,829,798,751.16/107,415.28
  6. Step 6: Final answer
    x = 82,202.45

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