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Finding the Fourth Proportional to 174,022.35, 261,033.53 and 90,905.55

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Solution

The fourth proportional to 174,022.35, 261,033.53 and 90,905.55 is: 136,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,022.35 : 261,033.53 = 90,905.55 : x
  2. Step 2: Convert to fraction form
    174,022.35/261,033.53 = 90,905.55/x
  3. Step 3: Cross multiply
    174,022.35x = 261,033.53 × 90,905.55
  4. Step 4: Simplify right side
    174,022.35x = 23,729,396,158.56
  5. Step 5: Solve for x
    x = 23,729,396,158.56/174,022.35
  6. Step 6: Final answer
    x = 136,358.33

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