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Finding the Fourth Proportional to 100,203.80, 150,234.51 and 50,247.86

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Solution

The fourth proportional to 100,203.80, 150,234.51 and 50,247.86 is: 75,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,203.80 : 150,234.51 = 50,247.86 : x
  2. Step 2: Convert to fraction form
    100,203.80/150,234.51 = 50,247.86/x
  3. Step 3: Cross multiply
    100,203.80x = 150,234.51 × 50,247.86
  4. Step 4: Simplify right side
    100,203.80x = 7,548,962,625.65
  5. Step 5: Solve for x
    x = 7,548,962,625.65/100,203.80
  6. Step 6: Final answer
    x = 75,336.09

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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.