Home / 81,718.92-122,464.98-37,236.96

Finding the Fourth Proportional to 81,718.92, 122,464.98 and 37,236.96

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Solution

The fourth proportional to 81,718.92, 122,464.98 and 37,236.96 is: 55,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,718.92 : 122,464.98 = 37,236.96 : x
  2. Step 2: Convert to fraction form
    81,718.92/122,464.98 = 37,236.96/x
  3. Step 3: Cross multiply
    81,718.92x = 122,464.98 × 37,236.96
  4. Step 4: Simplify right side
    81,718.92x = 4,560,223,561.66
  5. Step 5: Solve for x
    x = 4,560,223,561.66/81,718.92
  6. Step 6: Final answer
    x = 55,803.77

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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.