Home / 198,455.14-273,867-107,810.38

Finding the Fourth Proportional to 198,455.14, 273,867 and 107,810.38

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Solution

The fourth proportional to 198,455.14, 273,867 and 107,810.38 is: 148,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,455.14 : 273,867 = 107,810.38 : x
  2. Step 2: Convert to fraction form
    198,455.14/273,867 = 107,810.38/x
  3. Step 3: Cross multiply
    198,455.14x = 273,867 × 107,810.38
  4. Step 4: Simplify right side
    198,455.14x = 29,525,705,339.46
  5. Step 5: Solve for x
    x = 29,525,705,339.46/198,455.14
  6. Step 6: Final answer
    x = 148,777.73

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1.5x scale

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.