Home / 198,472.28-273,893.06-107,828.22

Finding the Fourth Proportional to 198,472.28, 273,893.06 and 107,828.22

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Solution

The fourth proportional to 198,472.28, 273,893.06 and 107,828.22 is: 148,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,472.28 : 273,893.06 = 107,828.22 : x
  2. Step 2: Convert to fraction form
    198,472.28/273,893.06 = 107,828.22/x
  3. Step 3: Cross multiply
    198,472.28x = 273,893.06 × 107,828.22
  4. Step 4: Simplify right side
    198,472.28x = 29,533,400,591.01
  5. Step 5: Solve for x
    x = 29,533,400,591.01/198,472.28
  6. Step 6: Final answer
    x = 148,803.66

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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.