Home / 199,084.20-298,223.10-123,973.80

Finding the Fourth Proportional to 199,084.20, 298,223.10 and 123,973.80

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Solution

The fourth proportional to 199,084.20, 298,223.10 and 123,973.80 is: 185,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,084.20 : 298,223.10 = 123,973.80 : x
  2. Step 2: Convert to fraction form
    199,084.20/298,223.10 = 123,973.80/x
  3. Step 3: Cross multiply
    199,084.20x = 298,223.10 × 123,973.80
  4. Step 4: Simplify right side
    199,084.20x = 36,971,850,954.78
  5. Step 5: Solve for x
    x = 36,971,850,954.78/199,084.20
  6. Step 6: Final answer
    x = 185,709.62

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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.