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Finding the Fourth Proportional to 105,921.16, 158,804.75 and 49,732.34

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Solution

The fourth proportional to 105,921.16, 158,804.75 and 49,732.34 is: 74,562.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,921.16 : 158,804.75 = 49,732.34 : x
  2. Step 2: Convert to fraction form
    105,921.16/158,804.75 = 49,732.34/x
  3. Step 3: Cross multiply
    105,921.16x = 158,804.75 × 49,732.34
  4. Step 4: Simplify right side
    105,921.16x = 7,897,731,150.92
  5. Step 5: Solve for x
    x = 7,897,731,150.92/105,921.16
  6. Step 6: Final answer
    x = 74,562.36

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