Home / 83,037.40-124,556.10-82,259.80

Finding the Fourth Proportional to 83,037.40, 124,556.10 and 82,259.80

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Solution

The fourth proportional to 83,037.40, 124,556.10 and 82,259.80 is: 123,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037.40 : 124,556.10 = 82,259.80 : x
  2. Step 2: Convert to fraction form
    83,037.40/124,556.10 = 82,259.80/x
  3. Step 3: Cross multiply
    83,037.40x = 124,556.10 × 82,259.80
  4. Step 4: Simplify right side
    83,037.40x = 10,245,959,874.78
  5. Step 5: Solve for x
    x = 10,245,959,874.78/83,037.40
  6. Step 6: Final answer
    x = 123,389.70

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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.