Home / 203,934.58-305,932.98-104,040.28

Finding the Fourth Proportional to 203,934.58, 305,932.98 and 104,040.28

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Solution

The fourth proportional to 203,934.58, 305,932.98 and 104,040.28 is: 156,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,934.58 : 305,932.98 = 104,040.28 : x
  2. Step 2: Convert to fraction form
    203,934.58/305,932.98 = 104,040.28/x
  3. Step 3: Cross multiply
    203,934.58x = 305,932.98 × 104,040.28
  4. Step 4: Simplify right side
    203,934.58x = 31,829,352,900.43
  5. Step 5: Solve for x
    x = 31,829,352,900.43/203,934.58
  6. Step 6: Final answer
    x = 156,076.29

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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.