Home / 206,849.20-285,442.84-126,411.28

Finding the Fourth Proportional to 206,849.20, 285,442.84 and 126,411.28

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Solution

The fourth proportional to 206,849.20, 285,442.84 and 126,411.28 is: 174,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,849.20 : 285,442.84 = 126,411.28 : x
  2. Step 2: Convert to fraction form
    206,849.20/285,442.84 = 126,411.28/x
  3. Step 3: Cross multiply
    206,849.20x = 285,442.84 × 126,411.28
  4. Step 4: Simplify right side
    206,849.20x = 36,083,194,771.24
  5. Step 5: Solve for x
    x = 36,083,194,771.24/206,849.20
  6. Step 6: Final answer
    x = 174,442.03

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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.