Home / 203,835.78-281,248.08-123,261.62

Finding the Fourth Proportional to 203,835.78, 281,248.08 and 123,261.62

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Solution

The fourth proportional to 203,835.78, 281,248.08 and 123,261.62 is: 170,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.78 : 281,248.08 = 123,261.62 : x
  2. Step 2: Convert to fraction form
    203,835.78/281,248.08 = 123,261.62/x
  3. Step 3: Cross multiply
    203,835.78x = 281,248.08 × 123,261.62
  4. Step 4: Simplify right side
    203,835.78x = 34,667,092,556.45
  5. Step 5: Solve for x
    x = 34,667,092,556.45/203,835.78
  6. Step 6: Final answer
    x = 170,073.64

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1.5x scale

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.