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Finding the Fourth Proportional to 131,853.74, 181,958.37 and 78,165.14

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Solution

The fourth proportional to 131,853.74, 181,958.37 and 78,165.14 is: 107,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,853.74 : 181,958.37 = 78,165.14 : x
  2. Step 2: Convert to fraction form
    131,853.74/181,958.37 = 78,165.14/x
  3. Step 3: Cross multiply
    131,853.74x = 181,958.37 × 78,165.14
  4. Step 4: Simplify right side
    131,853.74x = 14,222,801,465.22
  5. Step 5: Solve for x
    x = 14,222,801,465.22/131,853.74
  6. Step 6: Final answer
    x = 107,868.02

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