Home / 163,584.09-225,744.71-91,964.43

Finding the Fourth Proportional to 163,584.09, 225,744.71 and 91,964.43

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Solution

The fourth proportional to 163,584.09, 225,744.71 and 91,964.43 is: 126,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,584.09 : 225,744.71 = 91,964.43 : x
  2. Step 2: Convert to fraction form
    163,584.09/225,744.71 = 91,964.43/x
  3. Step 3: Cross multiply
    163,584.09x = 225,744.71 × 91,964.43
  4. Step 4: Simplify right side
    163,584.09x = 20,760,483,120.84
  5. Step 5: Solve for x
    x = 20,760,483,120.84/163,584.09
  6. Step 6: Final answer
    x = 126,910.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.