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Finding the Fourth Proportional to 129,057.99, 193,580.10 and 40,301.34

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Solution

The fourth proportional to 129,057.99, 193,580.10 and 40,301.34 is: 60,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057.99 : 193,580.10 = 40,301.34 : x
  2. Step 2: Convert to fraction form
    129,057.99/193,580.10 = 40,301.34/x
  3. Step 3: Cross multiply
    129,057.99x = 193,580.10 × 40,301.34
  4. Step 4: Simplify right side
    129,057.99x = 7,801,537,427.33
  5. Step 5: Solve for x
    x = 7,801,537,427.33/129,057.99
  6. Step 6: Final answer
    x = 60,449.86

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