Home / 84,091.83-126,135-34,157.15

Finding the Fourth Proportional to 84,091.83, 126,135 and 34,157.15

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Solution

The fourth proportional to 84,091.83, 126,135 and 34,157.15 is: 51,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,091.83 : 126,135 = 34,157.15 : x
  2. Step 2: Convert to fraction form
    84,091.83/126,135 = 34,157.15/x
  3. Step 3: Cross multiply
    84,091.83x = 126,135 × 34,157.15
  4. Step 4: Simplify right side
    84,091.83x = 4,308,412,115.25
  5. Step 5: Solve for x
    x = 4,308,412,115.25/84,091.83
  6. Step 6: Final answer
    x = 51,234.61

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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.