Home / 81,947.27-122,899.02-22,786.22

Finding the Fourth Proportional to 81,947.27, 122,899.02 and 22,786.22

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Solution

The fourth proportional to 81,947.27, 122,899.02 and 22,786.22 is: 34,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,947.27 : 122,899.02 = 22,786.22 : x
  2. Step 2: Convert to fraction form
    81,947.27/122,899.02 = 22,786.22/x
  3. Step 3: Cross multiply
    81,947.27x = 122,899.02 × 22,786.22
  4. Step 4: Simplify right side
    81,947.27x = 2,800,404,107.50
  5. Step 5: Solve for x
    x = 2,800,404,107.50/81,947.27
  6. Step 6: Final answer
    x = 34,173.24

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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.