Home / 150,149.10-207,205.76-82,166.10

Finding the Fourth Proportional to 150,149.10, 207,205.76 and 82,166.10

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Solution

The fourth proportional to 150,149.10, 207,205.76 and 82,166.10 is: 113,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,149.10 : 207,205.76 = 82,166.10 : x
  2. Step 2: Convert to fraction form
    150,149.10/207,205.76 = 82,166.10/x
  3. Step 3: Cross multiply
    150,149.10x = 207,205.76 × 82,166.10
  4. Step 4: Simplify right side
    150,149.10x = 17,025,288,785.91
  5. Step 5: Solve for x
    x = 17,025,288,785.91/150,149.10
  6. Step 6: Final answer
    x = 113,389.22

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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.