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Finding the Fourth Proportional to 101,112.25, 139,534.77 and 55,790.22

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Solution

The fourth proportional to 101,112.25, 139,534.77 and 55,790.22 is: 76,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,112.25 : 139,534.77 = 55,790.22 : x
  2. Step 2: Convert to fraction form
    101,112.25/139,534.77 = 55,790.22/x
  3. Step 3: Cross multiply
    101,112.25x = 139,534.77 × 55,790.22
  4. Step 4: Simplify right side
    101,112.25x = 7,784,674,678.80
  5. Step 5: Solve for x
    x = 7,784,674,678.80/101,112.25
  6. Step 6: Final answer
    x = 76,990.42

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