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Finding the Fourth Proportional to 107,425.80, 161,138.70 and 73,600.20

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Solution

The fourth proportional to 107,425.80, 161,138.70 and 73,600.20 is: 110,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,425.80 : 161,138.70 = 73,600.20 : x
  2. Step 2: Convert to fraction form
    107,425.80/161,138.70 = 73,600.20/x
  3. Step 3: Cross multiply
    107,425.80x = 161,138.70 × 73,600.20
  4. Step 4: Simplify right side
    107,425.80x = 11,859,840,547.74
  5. Step 5: Solve for x
    x = 11,859,840,547.74/107,425.80
  6. Step 6: Final answer
    x = 110,400.30

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