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Finding the Fourth Proportional to 110,362.80, 165,544.20 and 86,743.20

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Solution

The fourth proportional to 110,362.80, 165,544.20 and 86,743.20 is: 130,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,362.80 : 165,544.20 = 86,743.20 : x
  2. Step 2: Convert to fraction form
    110,362.80/165,544.20 = 86,743.20/x
  3. Step 3: Cross multiply
    110,362.80x = 165,544.20 × 86,743.20
  4. Step 4: Simplify right side
    110,362.80x = 14,359,833,649.44
  5. Step 5: Solve for x
    x = 14,359,833,649.44/110,362.80
  6. Step 6: Final answer
    x = 130,114.80

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