Home / 198,500.34-273,931.56-107,857.02

Finding the Fourth Proportional to 198,500.34, 273,931.56 and 107,857.02

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Solution

The fourth proportional to 198,500.34, 273,931.56 and 107,857.02 is: 148,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,500.34 : 273,931.56 = 107,857.02 : x
  2. Step 2: Convert to fraction form
    198,500.34/273,931.56 = 107,857.02/x
  3. Step 3: Cross multiply
    198,500.34x = 273,931.56 × 107,857.02
  4. Step 4: Simplify right side
    198,500.34x = 29,545,441,745.55
  5. Step 5: Solve for x
    x = 29,545,441,745.55/198,500.34
  6. Step 6: Final answer
    x = 148,843.28

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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.