Home / 117,081.12-161,590.14-76,911.24

Finding the Fourth Proportional to 117,081.12, 161,590.14 and 76,911.24

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Solution

The fourth proportional to 117,081.12, 161,590.14 and 76,911.24 is: 106,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,081.12 : 161,590.14 = 76,911.24 : x
  2. Step 2: Convert to fraction form
    117,081.12/161,590.14 = 76,911.24/x
  3. Step 3: Cross multiply
    117,081.12x = 161,590.14 × 76,911.24
  4. Step 4: Simplify right side
    117,081.12x = 12,428,098,039.17
  5. Step 5: Solve for x
    x = 12,428,098,039.17/117,081.12
  6. Step 6: Final answer
    x = 106,149.46

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