Home / 102,942.09-154,380.33-32,805

Finding the Fourth Proportional to 102,942.09, 154,380.33 and 32,805

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Solution

The fourth proportional to 102,942.09, 154,380.33 and 32,805 is: 49,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,942.09 : 154,380.33 = 32,805 : x
  2. Step 2: Convert to fraction form
    102,942.09/154,380.33 = 32,805/x
  3. Step 3: Cross multiply
    102,942.09x = 154,380.33 × 32,805
  4. Step 4: Simplify right side
    102,942.09x = 5,064,446,725.65
  5. Step 5: Solve for x
    x = 5,064,446,725.65/102,942.09
  6. Step 6: Final answer
    x = 49,197.05

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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.