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Finding the Fourth Proportional to 101,866.85, 140,559.81 and 58,839.50

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Solution

The fourth proportional to 101,866.85, 140,559.81 and 58,839.50 is: 81,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,866.85 : 140,559.81 = 58,839.50 : x
  2. Step 2: Convert to fraction form
    101,866.85/140,559.81 = 58,839.50/x
  3. Step 3: Cross multiply
    101,866.85x = 140,559.81 × 58,839.50
  4. Step 4: Simplify right side
    101,866.85x = 8,270,468,940.50
  5. Step 5: Solve for x
    x = 8,270,468,940.50/101,866.85
  6. Step 6: Final answer
    x = 81,189.01

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