Home / 206,423.57-284,861.10-120,432.56

Finding the Fourth Proportional to 206,423.57, 284,861.10 and 120,432.56

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Solution

The fourth proportional to 206,423.57, 284,861.10 and 120,432.56 is: 166,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,423.57 : 284,861.10 = 120,432.56 : x
  2. Step 2: Convert to fraction form
    206,423.57/284,861.10 = 120,432.56/x
  3. Step 3: Cross multiply
    206,423.57x = 284,861.10 × 120,432.56
  4. Step 4: Simplify right side
    206,423.57x = 34,306,550,544.73
  5. Step 5: Solve for x
    x = 34,306,550,544.73/206,423.57
  6. Step 6: Final answer
    x = 166,194.93

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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.