Home / 187,579.67-281,372.59-131,507.73

Finding the Fourth Proportional to 187,579.67, 281,372.59 and 131,507.73

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Solution

The fourth proportional to 187,579.67, 281,372.59 and 131,507.73 is: 197,263.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,579.67 : 281,372.59 = 131,507.73 : x
  2. Step 2: Convert to fraction form
    187,579.67/281,372.59 = 131,507.73/x
  3. Step 3: Cross multiply
    187,579.67x = 281,372.59 × 131,507.73
  4. Step 4: Simplify right side
    187,579.67x = 37,002,669,228.41
  5. Step 5: Solve for x
    x = 37,002,669,228.41/187,579.67
  6. Step 6: Final answer
    x = 197,263.75

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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.