Home / 204,003.40-306,005.10-71,033.80

Finding the Fourth Proportional to 204,003.40, 306,005.10 and 71,033.80

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Solution

The fourth proportional to 204,003.40, 306,005.10 and 71,033.80 is: 106,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,003.40 : 306,005.10 = 71,033.80 : x
  2. Step 2: Convert to fraction form
    204,003.40/306,005.10 = 71,033.80/x
  3. Step 3: Cross multiply
    204,003.40x = 306,005.10 × 71,033.80
  4. Step 4: Simplify right side
    204,003.40x = 21,736,705,072.38
  5. Step 5: Solve for x
    x = 21,736,705,072.38/204,003.40
  6. Step 6: Final answer
    x = 106,550.70

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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.