Home / 198,471.56-273,889.40-107,826.89

Finding the Fourth Proportional to 198,471.56, 273,889.40 and 107,826.89

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Solution

The fourth proportional to 198,471.56, 273,889.40 and 107,826.89 is: 148,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,471.56 : 273,889.40 = 107,826.89 : x
  2. Step 2: Convert to fraction form
    198,471.56/273,889.40 = 107,826.89/x
  3. Step 3: Cross multiply
    198,471.56x = 273,889.40 × 107,826.89
  4. Step 4: Simplify right side
    198,471.56x = 29,532,640,297.38
  5. Step 5: Solve for x
    x = 29,532,640,297.38/198,471.56
  6. Step 6: Final answer
    x = 148,800.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.