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Finding the Fourth Proportional to 107,901.20, 161,803.20 and 41,319.20

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Solution

The fourth proportional to 107,901.20, 161,803.20 and 41,319.20 is: 61,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.20 : 161,803.20 = 41,319.20 : x
  2. Step 2: Convert to fraction form
    107,901.20/161,803.20 = 41,319.20/x
  3. Step 3: Cross multiply
    107,901.20x = 161,803.20 × 41,319.20
  4. Step 4: Simplify right side
    107,901.20x = 6,685,578,781.44
  5. Step 5: Solve for x
    x = 6,685,578,781.44/107,901.20
  6. Step 6: Final answer
    x = 61,960.19

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