Home / 199,476.20-298,964.82-99,664.34

Finding the Fourth Proportional to 199,476.20, 298,964.82 and 99,664.34

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Solution

The fourth proportional to 199,476.20, 298,964.82 and 99,664.34 is: 149,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,476.20 : 298,964.82 = 99,664.34 : x
  2. Step 2: Convert to fraction form
    199,476.20/298,964.82 = 99,664.34/x
  3. Step 3: Cross multiply
    199,476.20x = 298,964.82 × 99,664.34
  4. Step 4: Simplify right side
    199,476.20x = 29,796,131,468.52
  5. Step 5: Solve for x
    x = 29,796,131,468.52/199,476.20
  6. Step 6: Final answer
    x = 149,371.86

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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.