Home / 84,211.20-125,700.21-74,246.94

Finding the Fourth Proportional to 84,211.20, 125,700.21 and 74,246.94

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Solution

The fourth proportional to 84,211.20, 125,700.21 and 74,246.94 is: 110,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,211.20 : 125,700.21 = 74,246.94 : x
  2. Step 2: Convert to fraction form
    84,211.20/125,700.21 = 74,246.94/x
  3. Step 3: Cross multiply
    84,211.20x = 125,700.21 × 74,246.94
  4. Step 4: Simplify right side
    84,211.20x = 9,332,855,949.86
  5. Step 5: Solve for x
    x = 9,332,855,949.86/84,211.20
  6. Step 6: Final answer
    x = 110,826.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.