Home / 202,546.98-304,011.15-102,778.80

Finding the Fourth Proportional to 202,546.98, 304,011.15 and 102,778.80

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Solution

The fourth proportional to 202,546.98, 304,011.15 and 102,778.80 is: 154,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,546.98 : 304,011.15 = 102,778.80 : x
  2. Step 2: Convert to fraction form
    202,546.98/304,011.15 = 102,778.80/x
  3. Step 3: Cross multiply
    202,546.98x = 304,011.15 × 102,778.80
  4. Step 4: Simplify right side
    202,546.98x = 31,245,901,183.62
  5. Step 5: Solve for x
    x = 31,245,901,183.62/202,546.98
  6. Step 6: Final answer
    x = 154,264.96

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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.