Home / 133,612.20-200,418.30-82,873.80

Finding the Fourth Proportional to 133,612.20, 200,418.30 and 82,873.80

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Solution

The fourth proportional to 133,612.20, 200,418.30 and 82,873.80 is: 124,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,612.20 : 200,418.30 = 82,873.80 : x
  2. Step 2: Convert to fraction form
    133,612.20/200,418.30 = 82,873.80/x
  3. Step 3: Cross multiply
    133,612.20x = 200,418.30 × 82,873.80
  4. Step 4: Simplify right side
    133,612.20x = 16,609,426,110.54
  5. Step 5: Solve for x
    x = 16,609,426,110.54/133,612.20
  6. Step 6: Final answer
    x = 124,310.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.