Home / 187,962.93-281,878.72-75,613.97

Finding the Fourth Proportional to 187,962.93, 281,878.72 and 75,613.97

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Solution

The fourth proportional to 187,962.93, 281,878.72 and 75,613.97 is: 113,394.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,962.93 : 281,878.72 = 75,613.97 : x
  2. Step 2: Convert to fraction form
    187,962.93/281,878.72 = 75,613.97/x
  3. Step 3: Cross multiply
    187,962.93x = 281,878.72 × 75,613.97
  4. Step 4: Simplify right side
    187,962.93x = 21,313,969,593.38
  5. Step 5: Solve for x
    x = 21,313,969,593.38/187,962.93
  6. Step 6: Final answer
    x = 113,394.54

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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.