Home / 137,380.32-206,093.88-47,398.64

Finding the Fourth Proportional to 137,380.32, 206,093.88 and 47,398.64

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Solution

The fourth proportional to 137,380.32, 206,093.88 and 47,398.64 is: 71,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,380.32 : 206,093.88 = 47,398.64 : x
  2. Step 2: Convert to fraction form
    137,380.32/206,093.88 = 47,398.64/x
  3. Step 3: Cross multiply
    137,380.32x = 206,093.88 × 47,398.64
  4. Step 4: Simplify right side
    137,380.32x = 9,768,568,593.85
  5. Step 5: Solve for x
    x = 9,768,568,593.85/137,380.32
  6. Step 6: Final answer
    x = 71,106.03

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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.