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Finding the Fourth Proportional to 115,382.80, 173,074.20 and 108,384.40

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Solution

The fourth proportional to 115,382.80, 173,074.20 and 108,384.40 is: 162,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382.80 : 173,074.20 = 108,384.40 : x
  2. Step 2: Convert to fraction form
    115,382.80/173,074.20 = 108,384.40/x
  3. Step 3: Cross multiply
    115,382.80x = 173,074.20 × 108,384.40
  4. Step 4: Simplify right side
    115,382.80x = 18,758,543,322.48
  5. Step 5: Solve for x
    x = 18,758,543,322.48/115,382.80
  6. Step 6: Final answer
    x = 162,576.60

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