Home / 283,516.20-425,274.30-83,818.80

Finding the Fourth Proportional to 283,516.20, 425,274.30 and 83,818.80

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Solution

The fourth proportional to 283,516.20, 425,274.30 and 83,818.80 is: 125,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,516.20 : 425,274.30 = 83,818.80 : x
  2. Step 2: Convert to fraction form
    283,516.20/425,274.30 = 83,818.80/x
  3. Step 3: Cross multiply
    283,516.20x = 425,274.30 × 83,818.80
  4. Step 4: Simplify right side
    283,516.20x = 35,645,981,496.84
  5. Step 5: Solve for x
    x = 35,645,981,496.84/283,516.20
  6. Step 6: Final answer
    x = 125,728.20

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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.