Home / 67,142.28-100,713.44-17,222.38

Finding the Fourth Proportional to 67,142.28, 100,713.44 and 17,222.38

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Solution

The fourth proportional to 67,142.28, 100,713.44 and 17,222.38 is: 25,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,142.28 : 100,713.44 = 17,222.38 : x
  2. Step 2: Convert to fraction form
    67,142.28/100,713.44 = 17,222.38/x
  3. Step 3: Cross multiply
    67,142.28x = 100,713.44 × 17,222.38
  4. Step 4: Simplify right side
    67,142.28x = 1,734,525,134.79
  5. Step 5: Solve for x
    x = 1,734,525,134.79/67,142.28
  6. Step 6: Final answer
    x = 25,833.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.