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Finding the Fourth Proportional to 168,090.65, 252,154.43 and 83,872.01

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Solution

The fourth proportional to 168,090.65, 252,154.43 and 83,872.01 is: 125,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,090.65 : 252,154.43 = 83,872.01 : x
  2. Step 2: Convert to fraction form
    168,090.65/252,154.43 = 83,872.01/x
  3. Step 3: Cross multiply
    168,090.65x = 252,154.43 × 83,872.01
  4. Step 4: Simplify right side
    168,090.65x = 21,148,699,400.05
  5. Step 5: Solve for x
    x = 21,148,699,400.05/168,090.65
  6. Step 6: Final answer
    x = 125,817.23

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