Home / 204,626.28-282,249.06-128,012.44

Finding the Fourth Proportional to 204,626.28, 282,249.06 and 128,012.44

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Solution

The fourth proportional to 204,626.28, 282,249.06 and 128,012.44 is: 176,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,626.28 : 282,249.06 = 128,012.44 : x
  2. Step 2: Convert to fraction form
    204,626.28/282,249.06 = 128,012.44/x
  3. Step 3: Cross multiply
    204,626.28x = 282,249.06 × 128,012.44
  4. Step 4: Simplify right side
    204,626.28x = 36,131,390,858.31
  5. Step 5: Solve for x
    x = 36,131,390,858.31/204,626.28
  6. Step 6: Final answer
    x = 176,572.58

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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.