Home / 281,725.70-422,662.05-82,041.66

Finding the Fourth Proportional to 281,725.70, 422,662.05 and 82,041.66

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Solution

The fourth proportional to 281,725.70, 422,662.05 and 82,041.66 is: 123,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,725.70 : 422,662.05 = 82,041.66 : x
  2. Step 2: Convert to fraction form
    281,725.70/422,662.05 = 82,041.66/x
  3. Step 3: Cross multiply
    281,725.70x = 422,662.05 × 82,041.66
  4. Step 4: Simplify right side
    281,725.70x = 34,675,896,201.00
  5. Step 5: Solve for x
    x = 34,675,896,201.00/281,725.70
  6. Step 6: Final answer
    x = 123,083.90

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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.