Home / 204,915.88-282,719.46-123,207.40

Finding the Fourth Proportional to 204,915.88, 282,719.46 and 123,207.40

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Solution

The fourth proportional to 204,915.88, 282,719.46 and 123,207.40 is: 169,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,915.88 : 282,719.46 = 123,207.40 : x
  2. Step 2: Convert to fraction form
    204,915.88/282,719.46 = 123,207.40/x
  3. Step 3: Cross multiply
    204,915.88x = 282,719.46 × 123,207.40
  4. Step 4: Simplify right side
    204,915.88x = 34,833,129,596.00
  5. Step 5: Solve for x
    x = 34,833,129,596.00/204,915.88
  6. Step 6: Final answer
    x = 169,987.46

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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.