Home / 122,310.35-183,226.78-84,269.88

Finding the Fourth Proportional to 122,310.35, 183,226.78 and 84,269.88

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Solution

The fourth proportional to 122,310.35, 183,226.78 and 84,269.88 is: 126,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,310.35 : 183,226.78 = 84,269.88 : x
  2. Step 2: Convert to fraction form
    122,310.35/183,226.78 = 84,269.88/x
  3. Step 3: Cross multiply
    122,310.35x = 183,226.78 × 84,269.88
  4. Step 4: Simplify right side
    122,310.35x = 15,440,499,212.27
  5. Step 5: Solve for x
    x = 15,440,499,212.27/122,310.35
  6. Step 6: Final answer
    x = 126,240.33

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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.