Home / 84,234.72-126,382.15-36,183.14

Finding the Fourth Proportional to 84,234.72, 126,382.15 and 36,183.14

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Solution

The fourth proportional to 84,234.72, 126,382.15 and 36,183.14 is: 54,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234.72 : 126,382.15 = 36,183.14 : x
  2. Step 2: Convert to fraction form
    84,234.72/126,382.15 = 36,183.14/x
  3. Step 3: Cross multiply
    84,234.72x = 126,382.15 × 36,183.14
  4. Step 4: Simplify right side
    84,234.72x = 4,572,903,026.95
  5. Step 5: Solve for x
    x = 4,572,903,026.95/84,234.72
  6. Step 6: Final answer
    x = 54,287.63

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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.