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Finding the Fourth Proportional to 107,421.80, 161,132.70 and 73,596.20

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Solution

The fourth proportional to 107,421.80, 161,132.70 and 73,596.20 is: 110,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,421.80 : 161,132.70 = 73,596.20 : x
  2. Step 2: Convert to fraction form
    107,421.80/161,132.70 = 73,596.20/x
  3. Step 3: Cross multiply
    107,421.80x = 161,132.70 × 73,596.20
  4. Step 4: Simplify right side
    107,421.80x = 11,858,754,415.74
  5. Step 5: Solve for x
    x = 11,858,754,415.74/107,421.80
  6. Step 6: Final answer
    x = 110,394.30

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