Home / 204,401.25-281,832.41-139,901.57

Finding the Fourth Proportional to 204,401.25, 281,832.41 and 139,901.57

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Solution

The fourth proportional to 204,401.25, 281,832.41 and 139,901.57 is: 192,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,401.25 : 281,832.41 = 139,901.57 : x
  2. Step 2: Convert to fraction form
    204,401.25/281,832.41 = 139,901.57/x
  3. Step 3: Cross multiply
    204,401.25x = 281,832.41 × 139,901.57
  4. Step 4: Simplify right side
    204,401.25x = 39,428,794,527.21
  5. Step 5: Solve for x
    x = 39,428,794,527.21/204,401.25
  6. Step 6: Final answer
    x = 192,898.99

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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.