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Finding the Fourth Proportional to 223,660.92, 308,654.48 and 121,686.96

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Solution

The fourth proportional to 223,660.92, 308,654.48 and 121,686.96 is: 167,929.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,660.92 : 308,654.48 = 121,686.96 : x
  2. Step 2: Convert to fraction form
    223,660.92/308,654.48 = 121,686.96/x
  3. Step 3: Cross multiply
    223,660.92x = 308,654.48 × 121,686.96
  4. Step 4: Simplify right side
    223,660.92x = 37,559,225,361.58
  5. Step 5: Solve for x
    x = 37,559,225,361.58/223,660.92
  6. Step 6: Final answer
    x = 167,929.32

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