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Finding the Fourth Proportional to 107,613.80, 161,420.70 and 106,922.60

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Solution

The fourth proportional to 107,613.80, 161,420.70 and 106,922.60 is: 160,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,613.80 : 161,420.70 = 106,922.60 : x
  2. Step 2: Convert to fraction form
    107,613.80/161,420.70 = 106,922.60/x
  3. Step 3: Cross multiply
    107,613.80x = 161,420.70 × 106,922.60
  4. Step 4: Simplify right side
    107,613.80x = 17,259,520,937.82
  5. Step 5: Solve for x
    x = 17,259,520,937.82/107,613.80
  6. Step 6: Final answer
    x = 160,383.90

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