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Finding the Fourth Proportional to 107,810.80, 161,716.20 and 60,377.20

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Solution

The fourth proportional to 107,810.80, 161,716.20 and 60,377.20 is: 90,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,810.80 : 161,716.20 = 60,377.20 : x
  2. Step 2: Convert to fraction form
    107,810.80/161,716.20 = 60,377.20/x
  3. Step 3: Cross multiply
    107,810.80x = 161,716.20 × 60,377.20
  4. Step 4: Simplify right side
    107,810.80x = 9,763,971,350.64
  5. Step 5: Solve for x
    x = 9,763,971,350.64/107,810.80
  6. Step 6: Final answer
    x = 90,565.80

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