Home / 83,748.20-125,622.30-82,873.40

Finding the Fourth Proportional to 83,748.20, 125,622.30 and 82,873.40

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Solution

The fourth proportional to 83,748.20, 125,622.30 and 82,873.40 is: 124,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.20 : 125,622.30 = 82,873.40 : x
  2. Step 2: Convert to fraction form
    83,748.20/125,622.30 = 82,873.40/x
  3. Step 3: Cross multiply
    83,748.20x = 125,622.30 × 82,873.40
  4. Step 4: Simplify right side
    83,748.20x = 10,410,747,116.82
  5. Step 5: Solve for x
    x = 10,410,747,116.82/83,748.20
  6. Step 6: Final answer
    x = 124,310.10

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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.