Home / 163,891.50-226,166.55-91,293.90

Finding the Fourth Proportional to 163,891.50, 226,166.55 and 91,293.90

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Solution

The fourth proportional to 163,891.50, 226,166.55 and 91,293.90 is: 125,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,891.50 : 226,166.55 = 91,293.90 : x
  2. Step 2: Convert to fraction form
    163,891.50/226,166.55 = 91,293.90/x
  3. Step 3: Cross multiply
    163,891.50x = 226,166.55 × 91,293.90
  4. Step 4: Simplify right side
    163,891.50x = 20,647,626,399.05
  5. Step 5: Solve for x
    x = 20,647,626,399.05/163,891.50
  6. Step 6: Final answer
    x = 125,983.51

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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.