Home / 150,269.72-207,372.21-82,290.85

Finding the Fourth Proportional to 150,269.72, 207,372.21 and 82,290.85

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Solution

The fourth proportional to 150,269.72, 207,372.21 and 82,290.85 is: 113,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,269.72 : 207,372.21 = 82,290.85 : x
  2. Step 2: Convert to fraction form
    150,269.72/207,372.21 = 82,290.85/x
  3. Step 3: Cross multiply
    150,269.72x = 207,372.21 × 82,290.85
  4. Step 4: Simplify right side
    150,269.72x = 17,064,835,789.36
  5. Step 5: Solve for x
    x = 17,064,835,789.36/150,269.72
  6. Step 6: Final answer
    x = 113,561.37

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1.5x scale

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.