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Finding the Fourth Proportional to 115,894.10, 173,841.15 and 89,617.70

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Solution

The fourth proportional to 115,894.10, 173,841.15 and 89,617.70 is: 134,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,894.10 : 173,841.15 = 89,617.70 : x
  2. Step 2: Convert to fraction form
    115,894.10/173,841.15 = 89,617.70/x
  3. Step 3: Cross multiply
    115,894.10x = 173,841.15 × 89,617.70
  4. Step 4: Simplify right side
    115,894.10x = 15,579,244,028.36
  5. Step 5: Solve for x
    x = 15,579,244,028.36/115,894.10
  6. Step 6: Final answer
    x = 134,426.55

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