Home / 221,743.44-305,977.32-124,949.52

Finding the Fourth Proportional to 221,743.44, 305,977.32 and 124,949.52

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Solution

The fourth proportional to 221,743.44, 305,977.32 and 124,949.52 is: 172,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,743.44 : 305,977.32 = 124,949.52 : x
  2. Step 2: Convert to fraction form
    221,743.44/305,977.32 = 124,949.52/x
  3. Step 3: Cross multiply
    221,743.44x = 305,977.32 × 124,949.52
  4. Step 4: Simplify right side
    221,743.44x = 38,231,719,264.89
  5. Step 5: Solve for x
    x = 38,231,719,264.89/221,743.44
  6. Step 6: Final answer
    x = 172,414.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.