Home / 206,372.66-284,673.61-129,770.49

Finding the Fourth Proportional to 206,372.66, 284,673.61 and 129,770.49

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Solution

The fourth proportional to 206,372.66, 284,673.61 and 129,770.49 is: 179,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,372.66 : 284,673.61 = 129,770.49 : x
  2. Step 2: Convert to fraction form
    206,372.66/284,673.61 = 129,770.49/x
  3. Step 3: Cross multiply
    206,372.66x = 284,673.61 × 129,770.49
  4. Step 4: Simplify right side
    206,372.66x = 36,942,233,210.92
  5. Step 5: Solve for x
    x = 36,942,233,210.92/206,372.66
  6. Step 6: Final answer
    x = 179,007.40

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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.