Home / 204,515.33-282,369.69-128,065.10

Finding the Fourth Proportional to 204,515.33, 282,369.69 and 128,065.10

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Solution

The fourth proportional to 204,515.33, 282,369.69 and 128,065.10 is: 176,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,515.33 : 282,369.69 = 128,065.10 : x
  2. Step 2: Convert to fraction form
    204,515.33/282,369.69 = 128,065.10/x
  3. Step 3: Cross multiply
    204,515.33x = 282,369.69 × 128,065.10
  4. Step 4: Simplify right side
    204,515.33x = 36,161,701,174.97
  5. Step 5: Solve for x
    x = 36,161,701,174.97/204,515.33
  6. Step 6: Final answer
    x = 176,816.58

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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.