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Finding the Fourth Proportional to 105,661.14, 145,816.11 and 57,914.48

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Solution

The fourth proportional to 105,661.14, 145,816.11 and 57,914.48 is: 79,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,661.14 : 145,816.11 = 57,914.48 : x
  2. Step 2: Convert to fraction form
    105,661.14/145,816.11 = 57,914.48/x
  3. Step 3: Cross multiply
    105,661.14x = 145,816.11 × 57,914.48
  4. Step 4: Simplify right side
    105,661.14x = 8,444,863,457.19
  5. Step 5: Solve for x
    x = 8,444,863,457.19/105,661.14
  6. Step 6: Final answer
    x = 79,924.02

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