Home / 81,426.96-122,141.97-25,268.90

Finding the Fourth Proportional to 81,426.96, 122,141.97 and 25,268.90

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Solution

The fourth proportional to 81,426.96, 122,141.97 and 25,268.90 is: 37,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,426.96 : 122,141.97 = 25,268.90 : x
  2. Step 2: Convert to fraction form
    81,426.96/122,141.97 = 25,268.90/x
  3. Step 3: Cross multiply
    81,426.96x = 122,141.97 × 25,268.90
  4. Step 4: Simplify right side
    81,426.96x = 3,086,393,099.39
  5. Step 5: Solve for x
    x = 3,086,393,099.39/81,426.96
  6. Step 6: Final answer
    x = 37,903.82

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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.