Home / 178,936.74-268,463.43-90,183.42

Finding the Fourth Proportional to 178,936.74, 268,463.43 and 90,183.42

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Solution

The fourth proportional to 178,936.74, 268,463.43 and 90,183.42 is: 135,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,936.74 : 268,463.43 = 90,183.42 : x
  2. Step 2: Convert to fraction form
    178,936.74/268,463.43 = 90,183.42/x
  3. Step 3: Cross multiply
    178,936.74x = 268,463.43 × 90,183.42
  4. Step 4: Simplify right side
    178,936.74x = 24,210,950,262.33
  5. Step 5: Solve for x
    x = 24,210,950,262.33/178,936.74
  6. Step 6: Final answer
    x = 135,304.52

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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.