Home / 81,366.26-122,060.94-25,210.78

Finding the Fourth Proportional to 81,366.26, 122,060.94 and 25,210.78

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Solution

The fourth proportional to 81,366.26, 122,060.94 and 25,210.78 is: 37,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,366.26 : 122,060.94 = 25,210.78 : x
  2. Step 2: Convert to fraction form
    81,366.26/122,060.94 = 25,210.78/x
  3. Step 3: Cross multiply
    81,366.26x = 122,060.94 × 25,210.78
  4. Step 4: Simplify right side
    81,366.26x = 3,077,251,752.05
  5. Step 5: Solve for x
    x = 3,077,251,752.05/81,366.26
  6. Step 6: Final answer
    x = 37,819.75

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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.