Home / 203,932.57-305,929.97-104,038.28

Finding the Fourth Proportional to 203,932.57, 305,929.97 and 104,038.28

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Solution

The fourth proportional to 203,932.57, 305,929.97 and 104,038.28 is: 156,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,932.57 : 305,929.97 = 104,038.28 : x
  2. Step 2: Convert to fraction form
    203,932.57/305,929.97 = 104,038.28/x
  3. Step 3: Cross multiply
    203,932.57x = 305,929.97 × 104,038.28
  4. Step 4: Simplify right side
    203,932.57x = 31,828,427,879.25
  5. Step 5: Solve for x
    x = 31,828,427,879.25/203,932.57
  6. Step 6: Final answer
    x = 156,073.29

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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.