Home / 133,669.45-200,817.73-126,103.64

Finding the Fourth Proportional to 133,669.45, 200,817.73 and 126,103.64

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Solution

The fourth proportional to 133,669.45, 200,817.73 and 126,103.64 is: 189,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,669.45 : 200,817.73 = 126,103.64 : x
  2. Step 2: Convert to fraction form
    133,669.45/200,817.73 = 126,103.64/x
  3. Step 3: Cross multiply
    133,669.45x = 200,817.73 × 126,103.64
  4. Step 4: Simplify right side
    133,669.45x = 25,323,846,729.54
  5. Step 5: Solve for x
    x = 25,323,846,729.54/133,669.45
  6. Step 6: Final answer
    x = 189,451.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.