Home / 163,578.26-225,732-91,964.90

Finding the Fourth Proportional to 163,578.26, 225,732 and 91,964.90

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Solution

The fourth proportional to 163,578.26, 225,732 and 91,964.90 is: 126,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,578.26 : 225,732 = 91,964.90 : x
  2. Step 2: Convert to fraction form
    163,578.26/225,732 = 91,964.90/x
  3. Step 3: Cross multiply
    163,578.26x = 225,732 × 91,964.90
  4. Step 4: Simplify right side
    163,578.26x = 20,759,420,806.80
  5. Step 5: Solve for x
    x = 20,759,420,806.80/163,578.26
  6. Step 6: Final answer
    x = 126,908.19

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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.