Home / 204,279.62-306,427.67-71,173.36

Finding the Fourth Proportional to 204,279.62, 306,427.67 and 71,173.36

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Solution

The fourth proportional to 204,279.62, 306,427.67 and 71,173.36 is: 106,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,279.62 : 306,427.67 = 71,173.36 : x
  2. Step 2: Convert to fraction form
    204,279.62/306,427.67 = 71,173.36/x
  3. Step 3: Cross multiply
    204,279.62x = 306,427.67 × 71,173.36
  4. Step 4: Simplify right side
    204,279.62x = 21,809,484,982.87
  5. Step 5: Solve for x
    x = 21,809,484,982.87/204,279.62
  6. Step 6: Final answer
    x = 106,762.90

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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.