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Finding the Fourth Proportional to 115,112.40, 172,668.60 and 36,250.80

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Solution

The fourth proportional to 115,112.40, 172,668.60 and 36,250.80 is: 54,376.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,112.40 : 172,668.60 = 36,250.80 : x
  2. Step 2: Convert to fraction form
    115,112.40/172,668.60 = 36,250.80/x
  3. Step 3: Cross multiply
    115,112.40x = 172,668.60 × 36,250.80
  4. Step 4: Simplify right side
    115,112.40x = 6,259,374,884.88
  5. Step 5: Solve for x
    x = 6,259,374,884.88/115,112.40
  6. Step 6: Final answer
    x = 54,376.20

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