Home / 150,278.43-207,388.10-82,299.15

Finding the Fourth Proportional to 150,278.43, 207,388.10 and 82,299.15

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Solution

The fourth proportional to 150,278.43, 207,388.10 and 82,299.15 is: 113,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,278.43 : 207,388.10 = 82,299.15 : x
  2. Step 2: Convert to fraction form
    150,278.43/207,388.10 = 82,299.15/x
  3. Step 3: Cross multiply
    150,278.43x = 207,388.10 × 82,299.15
  4. Step 4: Simplify right side
    150,278.43x = 17,067,863,938.62
  5. Step 5: Solve for x
    x = 17,067,863,938.62/150,278.43
  6. Step 6: Final answer
    x = 113,574.94

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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.