Home / 187,662.33-281,427.12-54,514.89

Finding the Fourth Proportional to 187,662.33, 281,427.12 and 54,514.89

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Solution

The fourth proportional to 187,662.33, 281,427.12 and 54,514.89 is: 81,753.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.33 : 281,427.12 = 54,514.89 : x
  2. Step 2: Convert to fraction form
    187,662.33/281,427.12 = 54,514.89/x
  3. Step 3: Cross multiply
    187,662.33x = 281,427.12 × 54,514.89
  4. Step 4: Simplify right side
    187,662.33x = 15,341,968,489.82
  5. Step 5: Solve for x
    x = 15,341,968,489.82/187,662.33
  6. Step 6: Final answer
    x = 81,753.05

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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.