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Finding the Fourth Proportional to 167,761.50, 231,434.60 and 99,739.90

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Solution

The fourth proportional to 167,761.50, 231,434.60 and 99,739.90 is: 137,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,761.50 : 231,434.60 = 99,739.90 : x
  2. Step 2: Convert to fraction form
    167,761.50/231,434.60 = 99,739.90/x
  3. Step 3: Cross multiply
    167,761.50x = 231,434.60 × 99,739.90
  4. Step 4: Simplify right side
    167,761.50x = 23,083,263,860.54
  5. Step 5: Solve for x
    x = 23,083,263,860.54/167,761.50
  6. Step 6: Final answer
    x = 137,595.72

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