Home / 205,743.91-283,915.15-115,082.38

Finding the Fourth Proportional to 205,743.91, 283,915.15 and 115,082.38

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Solution

The fourth proportional to 205,743.91, 283,915.15 and 115,082.38 is: 158,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,743.91 : 283,915.15 = 115,082.38 : x
  2. Step 2: Convert to fraction form
    205,743.91/283,915.15 = 115,082.38/x
  3. Step 3: Cross multiply
    205,743.91x = 283,915.15 × 115,082.38
  4. Step 4: Simplify right side
    205,743.91x = 32,673,630,182.56
  5. Step 5: Solve for x
    x = 32,673,630,182.56/205,743.91
  6. Step 6: Final answer
    x = 158,807.28

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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.