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Finding the Fourth Proportional to 163,205.58, 225,239.89 and 91,585.89

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Solution

The fourth proportional to 163,205.58, 225,239.89 and 91,585.89 is: 126,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,205.58 : 225,239.89 = 91,585.89 : x
  2. Step 2: Convert to fraction form
    163,205.58/225,239.89 = 91,585.89/x
  3. Step 3: Cross multiply
    163,205.58x = 225,239.89 × 91,585.89
  4. Step 4: Simplify right side
    163,205.58x = 20,628,795,731.91
  5. Step 5: Solve for x
    x = 20,628,795,731.91/163,205.58
  6. Step 6: Final answer
    x = 126,397.61

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