Home / 203,837.78-281,250.84-123,263.62

Finding the Fourth Proportional to 203,837.78, 281,250.84 and 123,263.62

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Solution

The fourth proportional to 203,837.78, 281,250.84 and 123,263.62 is: 170,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,837.78 : 281,250.84 = 123,263.62 : x
  2. Step 2: Convert to fraction form
    203,837.78/281,250.84 = 123,263.62/x
  3. Step 3: Cross multiply
    203,837.78x = 281,250.84 × 123,263.62
  4. Step 4: Simplify right side
    203,837.78x = 34,667,996,666.44
  5. Step 5: Solve for x
    x = 34,667,996,666.44/203,837.78
  6. Step 6: Final answer
    x = 170,076.40

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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.