Home / 203,923.98-305,540.10-124,872.84

Finding the Fourth Proportional to 203,923.98, 305,540.10 and 124,872.84

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Solution

The fourth proportional to 203,923.98, 305,540.10 and 124,872.84 is: 187,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,923.98 : 305,540.10 = 124,872.84 : x
  2. Step 2: Convert to fraction form
    203,923.98/305,540.10 = 124,872.84/x
  3. Step 3: Cross multiply
    203,923.98x = 305,540.10 × 124,872.84
  4. Step 4: Simplify right side
    203,923.98x = 38,153,660,020.88
  5. Step 5: Solve for x
    x = 38,153,660,020.88/203,923.98
  6. Step 6: Final answer
    x = 187,097.47

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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.