Home / 149,414.04-206,192.16-82,346.04

Finding the Fourth Proportional to 149,414.04, 206,192.16 and 82,346.04

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Solution

The fourth proportional to 149,414.04, 206,192.16 and 82,346.04 is: 113,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,414.04 : 206,192.16 = 82,346.04 : x
  2. Step 2: Convert to fraction form
    149,414.04/206,192.16 = 82,346.04/x
  3. Step 3: Cross multiply
    149,414.04x = 206,192.16 × 82,346.04
  4. Step 4: Simplify right side
    149,414.04x = 16,979,107,855.05
  5. Step 5: Solve for x
    x = 16,979,107,855.05/149,414.04
  6. Step 6: Final answer
    x = 113,637.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.