Home / 204,249.47-281,666.36-136,269.20

Finding the Fourth Proportional to 204,249.47, 281,666.36 and 136,269.20

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Solution

The fourth proportional to 204,249.47, 281,666.36 and 136,269.20 is: 187,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,249.47 : 281,666.36 = 136,269.20 : x
  2. Step 2: Convert to fraction form
    204,249.47/281,666.36 = 136,269.20/x
  3. Step 3: Cross multiply
    204,249.47x = 281,666.36 × 136,269.20
  4. Step 4: Simplify right side
    204,249.47x = 38,382,450,588.95
  5. Step 5: Solve for x
    x = 38,382,450,588.95/204,249.47
  6. Step 6: Final answer
    x = 187,919.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.