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Finding the Fourth Proportional to 107,911.10, 161,866.65 and 82,999.10

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Solution

The fourth proportional to 107,911.10, 161,866.65 and 82,999.10 is: 124,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.10 : 161,866.65 = 82,999.10 : x
  2. Step 2: Convert to fraction form
    107,911.10/161,866.65 = 82,999.10/x
  3. Step 3: Cross multiply
    107,911.10x = 161,866.65 × 82,999.10
  4. Step 4: Simplify right side
    107,911.10x = 13,434,786,270.02
  5. Step 5: Solve for x
    x = 13,434,786,270.02/107,911.10
  6. Step 6: Final answer
    x = 124,498.65

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