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Finding the Fourth Proportional to 105,379.38, 158,068.89 and 49,200.66

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Solution

The fourth proportional to 105,379.38, 158,068.89 and 49,200.66 is: 73,800.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,379.38 : 158,068.89 = 49,200.66 : x
  2. Step 2: Convert to fraction form
    105,379.38/158,068.89 = 49,200.66/x
  3. Step 3: Cross multiply
    105,379.38x = 158,068.89 × 49,200.66
  4. Step 4: Simplify right side
    105,379.38x = 7,777,093,713.47
  5. Step 5: Solve for x
    x = 7,777,093,713.47/105,379.38
  6. Step 6: Final answer
    x = 73,800.91

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