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Finding the Fourth Proportional to 115,502.80, 173,254.20 and 65,736.40

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Solution

The fourth proportional to 115,502.80, 173,254.20 and 65,736.40 is: 98,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.80 : 173,254.20 = 65,736.40 : x
  2. Step 2: Convert to fraction form
    115,502.80/173,254.20 = 65,736.40/x
  3. Step 3: Cross multiply
    115,502.80x = 173,254.20 × 65,736.40
  4. Step 4: Simplify right side
    115,502.80x = 11,389,107,392.88
  5. Step 5: Solve for x
    x = 11,389,107,392.88/115,502.80
  6. Step 6: Final answer
    x = 98,604.60

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