Home / 150,488.34-225,754.38-80,329.38

Finding the Fourth Proportional to 150,488.34, 225,754.38 and 80,329.38

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Solution

The fourth proportional to 150,488.34, 225,754.38 and 80,329.38 is: 120,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,488.34 : 225,754.38 = 80,329.38 : x
  2. Step 2: Convert to fraction form
    150,488.34/225,754.38 = 80,329.38/x
  3. Step 3: Cross multiply
    150,488.34x = 225,754.38 × 80,329.38
  4. Step 4: Simplify right side
    150,488.34x = 18,134,709,377.68
  5. Step 5: Solve for x
    x = 18,134,709,377.68/150,488.34
  6. Step 6: Final answer
    x = 120,505.74

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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.