Home / 150,269.45-207,372.19-82,290.87

Finding the Fourth Proportional to 150,269.45, 207,372.19 and 82,290.87

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Solution

The fourth proportional to 150,269.45, 207,372.19 and 82,290.87 is: 113,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,269.45 : 207,372.19 = 82,290.87 : x
  2. Step 2: Convert to fraction form
    150,269.45/207,372.19 = 82,290.87/x
  3. Step 3: Cross multiply
    150,269.45x = 207,372.19 × 82,290.87
  4. Step 4: Simplify right side
    150,269.45x = 17,064,837,517.45
  5. Step 5: Solve for x
    x = 17,064,837,517.45/150,269.45
  6. Step 6: Final answer
    x = 113,561.59

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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.