Home / 203,890.00-281,390.25-123,361.92

Finding the Fourth Proportional to 203,890.00, 281,390.25 and 123,361.92

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Solution

The fourth proportional to 203,890.00, 281,390.25 and 123,361.92 is: 170,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,890.00 : 281,390.25 = 123,361.92 : x
  2. Step 2: Convert to fraction form
    203,890.00/281,390.25 = 123,361.92/x
  3. Step 3: Cross multiply
    203,890.00x = 281,390.25 × 123,361.92
  4. Step 4: Simplify right side
    203,890.00x = 34,712,842,564.49
  5. Step 5: Solve for x
    x = 34,712,842,564.49/203,890.00
  6. Step 6: Final answer
    x = 170,252.80

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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.