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Finding the Fourth Proportional to 110,725.60, 166,072.20 and 31,831.60

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Solution

The fourth proportional to 110,725.60, 166,072.20 and 31,831.60 is: 47,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,725.60 : 166,072.20 = 31,831.60 : x
  2. Step 2: Convert to fraction form
    110,725.60/166,072.20 = 31,831.60/x
  3. Step 3: Cross multiply
    110,725.60x = 166,072.20 × 31,831.60
  4. Step 4: Simplify right side
    110,725.60x = 5,286,343,841.52
  5. Step 5: Solve for x
    x = 5,286,343,841.52/110,725.60
  6. Step 6: Final answer
    x = 47,742.74

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