Home / 72,455.24-108,714.14-39,198.73

Finding the Fourth Proportional to 72,455.24, 108,714.14 and 39,198.73

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Solution

The fourth proportional to 72,455.24, 108,714.14 and 39,198.73 is: 58,815.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.24 : 108,714.14 = 39,198.73 : x
  2. Step 2: Convert to fraction form
    72,455.24/108,714.14 = 39,198.73/x
  3. Step 3: Cross multiply
    72,455.24x = 108,714.14 × 39,198.73
  4. Step 4: Simplify right side
    72,455.24x = 4,261,456,221.04
  5. Step 5: Solve for x
    x = 4,261,456,221.04/72,455.24
  6. Step 6: Final answer
    x = 58,815.02

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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.