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Finding the Fourth Proportional to 115,866.90, 173,800.35 and 49,309.20

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Solution

The fourth proportional to 115,866.90, 173,800.35 and 49,309.20 is: 73,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,866.90 : 173,800.35 = 49,309.20 : x
  2. Step 2: Convert to fraction form
    115,866.90/173,800.35 = 49,309.20/x
  3. Step 3: Cross multiply
    115,866.90x = 173,800.35 × 49,309.20
  4. Step 4: Simplify right side
    115,866.90x = 8,569,956,218.22
  5. Step 5: Solve for x
    x = 8,569,956,218.22/115,866.90
  6. Step 6: Final answer
    x = 73,963.80

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