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Finding the Fourth Proportional to 223,897.20, 336,234.60 and 118,921.20

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Solution

The fourth proportional to 223,897.20, 336,234.60 and 118,921.20 is: 178,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,897.20 : 336,234.60 = 118,921.20 : x
  2. Step 2: Convert to fraction form
    223,897.20/336,234.60 = 118,921.20/x
  3. Step 3: Cross multiply
    223,897.20x = 336,234.60 × 118,921.20
  4. Step 4: Simplify right side
    223,897.20x = 39,985,422,113.52
  5. Step 5: Solve for x
    x = 39,985,422,113.52/223,897.20
  6. Step 6: Final answer
    x = 178,588.31

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