Home / 129,622.20-194,279.70-54,742.20

Finding the Fourth Proportional to 129,622.20, 194,279.70 and 54,742.20

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Solution

The fourth proportional to 129,622.20, 194,279.70 and 54,742.20 is: 82,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,622.20 : 194,279.70 = 54,742.20 : x
  2. Step 2: Convert to fraction form
    129,622.20/194,279.70 = 54,742.20/x
  3. Step 3: Cross multiply
    129,622.20x = 194,279.70 × 54,742.20
  4. Step 4: Simplify right side
    129,622.20x = 10,635,298,193.34
  5. Step 5: Solve for x
    x = 10,635,298,193.34/129,622.20
  6. Step 6: Final answer
    x = 82,048.43

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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.