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Finding the Fourth Proportional to 107,443.89, 161,235.77 and 40,884.57

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Solution

The fourth proportional to 107,443.89, 161,235.77 and 40,884.57 is: 61,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.89 : 161,235.77 = 40,884.57 : x
  2. Step 2: Convert to fraction form
    107,443.89/161,235.77 = 40,884.57/x
  3. Step 3: Cross multiply
    107,443.89x = 161,235.77 × 40,884.57
  4. Step 4: Simplify right side
    107,443.89x = 6,592,055,125.07
  5. Step 5: Solve for x
    x = 6,592,055,125.07/107,443.89
  6. Step 6: Final answer
    x = 61,353.47

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