Home / 203,901.35-305,852.03-133,042.55

Finding the Fourth Proportional to 203,901.35, 305,852.03 and 133,042.55

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Solution

The fourth proportional to 203,901.35, 305,852.03 and 133,042.55 is: 199,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,901.35 : 305,852.03 = 133,042.55 : x
  2. Step 2: Convert to fraction form
    203,901.35/305,852.03 = 133,042.55/x
  3. Step 3: Cross multiply
    203,901.35x = 305,852.03 × 133,042.55
  4. Step 4: Simplify right side
    203,901.35x = 40,691,333,328.66
  5. Step 5: Solve for x
    x = 40,691,333,328.66/203,901.35
  6. Step 6: Final answer
    x = 199,563.83

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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.