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Finding the Fourth Proportional to 110,431.80, 165,649.14 and 31,548.60

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Solution

The fourth proportional to 110,431.80, 165,649.14 and 31,548.60 is: 47,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,431.80 : 165,649.14 = 31,548.60 : x
  2. Step 2: Convert to fraction form
    110,431.80/165,649.14 = 31,548.60/x
  3. Step 3: Cross multiply
    110,431.80x = 165,649.14 × 31,548.60
  4. Step 4: Simplify right side
    110,431.80x = 5,225,998,458.20
  5. Step 5: Solve for x
    x = 5,225,998,458.20/110,431.80
  6. Step 6: Final answer
    x = 47,323.31

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