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Finding the Fourth Proportional to 112,906.47, 169,360 and 38,079.18

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Solution

The fourth proportional to 112,906.47, 169,360 and 38,079.18 is: 57,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.47 : 169,360 = 38,079.18 : x
  2. Step 2: Convert to fraction form
    112,906.47/169,360 = 38,079.18/x
  3. Step 3: Cross multiply
    112,906.47x = 169,360 × 38,079.18
  4. Step 4: Simplify right side
    112,906.47x = 6,449,089,924.80
  5. Step 5: Solve for x
    x = 6,449,089,924.80/112,906.47
  6. Step 6: Final answer
    x = 57,118.87

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