Home / 188,682.41-260,383.88-108,108.30

Finding the Fourth Proportional to 188,682.41, 260,383.88 and 108,108.30

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Solution

The fourth proportional to 188,682.41, 260,383.88 and 108,108.30 is: 149,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,682.41 : 260,383.88 = 108,108.30 : x
  2. Step 2: Convert to fraction form
    188,682.41/260,383.88 = 108,108.30/x
  3. Step 3: Cross multiply
    188,682.41x = 260,383.88 × 108,108.30
  4. Step 4: Simplify right side
    188,682.41x = 28,149,659,860.91
  5. Step 5: Solve for x
    x = 28,149,659,860.91/188,682.41
  6. Step 6: Final answer
    x = 149,190.69

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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.