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Finding the Fourth Proportional to 115,599.40, 173,399.10 and 108,687.40

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Solution

The fourth proportional to 115,599.40, 173,399.10 and 108,687.40 is: 163,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.40 : 173,399.10 = 108,687.40 : x
  2. Step 2: Convert to fraction form
    115,599.40/173,399.10 = 108,687.40/x
  3. Step 3: Cross multiply
    115,599.40x = 173,399.10 × 108,687.40
  4. Step 4: Simplify right side
    115,599.40x = 18,846,297,341.34
  5. Step 5: Solve for x
    x = 18,846,297,341.34/115,599.40
  6. Step 6: Final answer
    x = 163,031.10

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