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Finding the Fourth Proportional to 115,891.40, 173,856.30 and 49,363.40

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Solution

The fourth proportional to 115,891.40, 173,856.30 and 49,363.40 is: 74,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,891.40 : 173,856.30 = 49,363.40 : x
  2. Step 2: Convert to fraction form
    115,891.40/173,856.30 = 49,363.40/x
  3. Step 3: Cross multiply
    115,891.40x = 173,856.30 × 49,363.40
  4. Step 4: Simplify right side
    115,891.40x = 8,582,138,079.42
  5. Step 5: Solve for x
    x = 8,582,138,079.42/115,891.40
  6. Step 6: Final answer
    x = 74,053.28

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