Home / 114,311.55-171,467.33-72,321.15

Finding the Fourth Proportional to 114,311.55, 171,467.33 and 72,321.15

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Solution

The fourth proportional to 114,311.55, 171,467.33 and 72,321.15 is: 108,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,311.55 : 171,467.33 = 72,321.15 : x
  2. Step 2: Convert to fraction form
    114,311.55/171,467.33 = 72,321.15/x
  3. Step 3: Cross multiply
    114,311.55x = 171,467.33 × 72,321.15
  4. Step 4: Simplify right side
    114,311.55x = 12,400,714,131.42
  5. Step 5: Solve for x
    x = 12,400,714,131.42/114,311.55
  6. Step 6: Final answer
    x = 108,481.73

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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.