Home / 82,853.20-124,279.80-36,197.20

Finding the Fourth Proportional to 82,853.20, 124,279.80 and 36,197.20

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Solution

The fourth proportional to 82,853.20, 124,279.80 and 36,197.20 is: 54,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,853.20 : 124,279.80 = 36,197.20 : x
  2. Step 2: Convert to fraction form
    82,853.20/124,279.80 = 36,197.20/x
  3. Step 3: Cross multiply
    82,853.20x = 124,279.80 × 36,197.20
  4. Step 4: Simplify right side
    82,853.20x = 4,498,580,776.56
  5. Step 5: Solve for x
    x = 4,498,580,776.56/82,853.20
  6. Step 6: Final answer
    x = 54,295.80

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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.