Home / 198,360.21-273,736.09-107,715.37

Finding the Fourth Proportional to 198,360.21, 273,736.09 and 107,715.37

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Solution

The fourth proportional to 198,360.21, 273,736.09 and 107,715.37 is: 148,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,360.21 : 273,736.09 = 107,715.37 : x
  2. Step 2: Convert to fraction form
    198,360.21/273,736.09 = 107,715.37/x
  3. Step 3: Cross multiply
    198,360.21x = 273,736.09 × 107,715.37
  4. Step 4: Simplify right side
    198,360.21x = 29,485,584,216.70
  5. Step 5: Solve for x
    x = 29,485,584,216.70/198,360.21
  6. Step 6: Final answer
    x = 148,646.67

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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.