Home / 107,992.20-161,988.30-68,577.60

Finding the Fourth Proportional to 107,992.20, 161,988.30 and 68,577.60

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Solution

The fourth proportional to 107,992.20, 161,988.30 and 68,577.60 is: 102,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.20 : 161,988.30 = 68,577.60 : x
  2. Step 2: Convert to fraction form
    107,992.20/161,988.30 = 68,577.60/x
  3. Step 3: Cross multiply
    107,992.20x = 161,988.30 × 68,577.60
  4. Step 4: Simplify right side
    107,992.20x = 11,108,768,842.08
  5. Step 5: Solve for x
    x = 11,108,768,842.08/107,992.20
  6. Step 6: Final answer
    x = 102,866.40

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