Home / 171,121.18-256,467.93-82,350.85

Finding the Fourth Proportional to 171,121.18, 256,467.93 and 82,350.85

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Solution

The fourth proportional to 171,121.18, 256,467.93 and 82,350.85 is: 123,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,121.18 : 256,467.93 = 82,350.85 : x
  2. Step 2: Convert to fraction form
    171,121.18/256,467.93 = 82,350.85/x
  3. Step 3: Cross multiply
    171,121.18x = 256,467.93 × 82,350.85
  4. Step 4: Simplify right side
    171,121.18x = 21,120,352,033.24
  5. Step 5: Solve for x
    x = 21,120,352,033.24/171,121.18
  6. Step 6: Final answer
    x = 123,423.37

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1.5x scale

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.