Home / 204,949.24-282,961.58-128,573.05

Finding the Fourth Proportional to 204,949.24, 282,961.58 and 128,573.05

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Solution

The fourth proportional to 204,949.24, 282,961.58 and 128,573.05 is: 177,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,949.24 : 282,961.58 = 128,573.05 : x
  2. Step 2: Convert to fraction form
    204,949.24/282,961.58 = 128,573.05/x
  3. Step 3: Cross multiply
    204,949.24x = 282,961.58 × 128,573.05
  4. Step 4: Simplify right side
    204,949.24x = 36,381,232,119.49
  5. Step 5: Solve for x
    x = 36,381,232,119.49/204,949.24
  6. Step 6: Final answer
    x = 177,513.38

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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.