Home / 204,145.78-281,736.96-122,477.11

Finding the Fourth Proportional to 204,145.78, 281,736.96 and 122,477.11

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Solution

The fourth proportional to 204,145.78, 281,736.96 and 122,477.11 is: 169,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,145.78 : 281,736.96 = 122,477.11 : x
  2. Step 2: Convert to fraction form
    204,145.78/281,736.96 = 122,477.11/x
  3. Step 3: Cross multiply
    204,145.78x = 281,736.96 × 122,477.11
  4. Step 4: Simplify right side
    204,145.78x = 34,506,328,640.99
  5. Step 5: Solve for x
    x = 34,506,328,640.99/204,145.78
  6. Step 6: Final answer
    x = 169,027.88

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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.