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Finding the Fourth Proportional to 111,212.40, 166,818.60 and 63,973.20

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Solution

The fourth proportional to 111,212.40, 166,818.60 and 63,973.20 is: 95,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,212.40 : 166,818.60 = 63,973.20 : x
  2. Step 2: Convert to fraction form
    111,212.40/166,818.60 = 63,973.20/x
  3. Step 3: Cross multiply
    111,212.40x = 166,818.60 × 63,973.20
  4. Step 4: Simplify right side
    111,212.40x = 10,671,919,661.52
  5. Step 5: Solve for x
    x = 10,671,919,661.52/111,212.40
  6. Step 6: Final answer
    x = 95,959.80

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