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Finding the Fourth Proportional to 113,809.87, 170,736.79 and 43,683.72

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Solution

The fourth proportional to 113,809.87, 170,736.79 and 43,683.72 is: 65,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,809.87 : 170,736.79 = 43,683.72 : x
  2. Step 2: Convert to fraction form
    113,809.87/170,736.79 = 43,683.72/x
  3. Step 3: Cross multiply
    113,809.87x = 170,736.79 × 43,683.72
  4. Step 4: Simplify right side
    113,809.87x = 7,458,418,128.06
  5. Step 5: Solve for x
    x = 7,458,418,128.06/113,809.87
  6. Step 6: Final answer
    x = 65,534.02

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