Home / 206,217.78-284,495.49-134,572.02

Finding the Fourth Proportional to 206,217.78, 284,495.49 and 134,572.02

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Solution

The fourth proportional to 206,217.78, 284,495.49 and 134,572.02 is: 185,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,217.78 : 284,495.49 = 134,572.02 : x
  2. Step 2: Convert to fraction form
    206,217.78/284,495.49 = 134,572.02/x
  3. Step 3: Cross multiply
    206,217.78x = 284,495.49 × 134,572.02
  4. Step 4: Simplify right side
    206,217.78x = 38,285,132,770.19
  5. Step 5: Solve for x
    x = 38,285,132,770.19/206,217.78
  6. Step 6: Final answer
    x = 185,653.89

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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.