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Finding the Fourth Proportional to 100,795.36, 139,104.10 and 66,744.58

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Solution

The fourth proportional to 100,795.36, 139,104.10 and 66,744.58 is: 92,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,795.36 : 139,104.10 = 66,744.58 : x
  2. Step 2: Convert to fraction form
    100,795.36/139,104.10 = 66,744.58/x
  3. Step 3: Cross multiply
    100,795.36x = 139,104.10 × 66,744.58
  4. Step 4: Simplify right side
    100,795.36x = 9,284,444,730.78
  5. Step 5: Solve for x
    x = 9,284,444,730.78/100,795.36
  6. Step 6: Final answer
    x = 92,111.83

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