Home / 81,945.27-122,896.02-22,784.22

Finding the Fourth Proportional to 81,945.27, 122,896.02 and 22,784.22

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Solution

The fourth proportional to 81,945.27, 122,896.02 and 22,784.22 is: 34,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,945.27 : 122,896.02 = 22,784.22 : x
  2. Step 2: Convert to fraction form
    81,945.27/122,896.02 = 22,784.22/x
  3. Step 3: Cross multiply
    81,945.27x = 122,896.02 × 22,784.22
  4. Step 4: Simplify right side
    81,945.27x = 2,800,089,956.80
  5. Step 5: Solve for x
    x = 2,800,089,956.80/81,945.27
  6. Step 6: Final answer
    x = 34,170.25

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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.