Home / 204,964.74-282,982.94-128,588.56

Finding the Fourth Proportional to 204,964.74, 282,982.94 and 128,588.56

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Solution

The fourth proportional to 204,964.74, 282,982.94 and 128,588.56 is: 177,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,964.74 : 282,982.94 = 128,588.56 : x
  2. Step 2: Convert to fraction form
    204,964.74/282,982.94 = 128,588.56/x
  3. Step 3: Cross multiply
    204,964.74x = 282,982.94 × 128,588.56
  4. Step 4: Simplify right side
    204,964.74x = 36,388,368,759.17
  5. Step 5: Solve for x
    x = 36,388,368,759.17/204,964.74
  6. Step 6: Final answer
    x = 177,534.77

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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.