Home / 206,206.76-284,560.59-120,160.26

Finding the Fourth Proportional to 206,206.76, 284,560.59 and 120,160.26

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Solution

The fourth proportional to 206,206.76, 284,560.59 and 120,160.26 is: 165,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,206.76 : 284,560.59 = 120,160.26 : x
  2. Step 2: Convert to fraction form
    206,206.76/284,560.59 = 120,160.26/x
  3. Step 3: Cross multiply
    206,206.76x = 284,560.59 × 120,160.26
  4. Step 4: Simplify right side
    206,206.76x = 34,192,874,930.75
  5. Step 5: Solve for x
    x = 34,192,874,930.75/206,206.76
  6. Step 6: Final answer
    x = 165,818.40

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1.5x scale

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.