Home / 150,022.88-225,145.08-71,137.38

Finding the Fourth Proportional to 150,022.88, 225,145.08 and 71,137.38

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Solution

The fourth proportional to 150,022.88, 225,145.08 and 71,137.38 is: 106,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,022.88 : 225,145.08 = 71,137.38 : x
  2. Step 2: Convert to fraction form
    150,022.88/225,145.08 = 71,137.38/x
  3. Step 3: Cross multiply
    150,022.88x = 225,145.08 × 71,137.38
  4. Step 4: Simplify right side
    150,022.88x = 16,016,231,111.09
  5. Step 5: Solve for x
    x = 16,016,231,111.09/150,022.88
  6. Step 6: Final answer
    x = 106,758.59

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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.