Home / 150,336.31-225,578.56-70,379.69

Finding the Fourth Proportional to 150,336.31, 225,578.56 and 70,379.69

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Solution

The fourth proportional to 150,336.31, 225,578.56 and 70,379.69 is: 105,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,336.31 : 225,578.56 = 70,379.69 : x
  2. Step 2: Convert to fraction form
    150,336.31/225,578.56 = 70,379.69/x
  3. Step 3: Cross multiply
    150,336.31x = 225,578.56 × 70,379.69
  4. Step 4: Simplify right side
    150,336.31x = 15,876,149,123.45
  5. Step 5: Solve for x
    x = 15,876,149,123.45/150,336.31
  6. Step 6: Final answer
    x = 105,604.22

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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.