Home / 168,869.16-253,593.50-149,936.56

Finding the Fourth Proportional to 168,869.16, 253,593.50 and 149,936.56

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Solution

The fourth proportional to 168,869.16, 253,593.50 and 149,936.56 is: 225,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,869.16 : 253,593.50 = 149,936.56 : x
  2. Step 2: Convert to fraction form
    168,869.16/253,593.50 = 149,936.56/x
  3. Step 3: Cross multiply
    168,869.16x = 253,593.50 × 149,936.56
  4. Step 4: Simplify right side
    168,869.16x = 38,022,935,644.69
  5. Step 5: Solve for x
    x = 38,022,935,644.69/168,869.16
  6. Step 6: Final answer
    x = 225,162.11

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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.