Home / 198,510.86-273,945.16-107,867.82

Finding the Fourth Proportional to 198,510.86, 273,945.16 and 107,867.82

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Solution

The fourth proportional to 198,510.86, 273,945.16 and 107,867.82 is: 148,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,510.86 : 273,945.16 = 107,867.82 : x
  2. Step 2: Convert to fraction form
    198,510.86/273,945.16 = 107,867.82/x
  3. Step 3: Cross multiply
    198,510.86x = 273,945.16 × 107,867.82
  4. Step 4: Simplify right side
    198,510.86x = 29,549,867,208.75
  5. Step 5: Solve for x
    x = 29,549,867,208.75/198,510.86
  6. Step 6: Final answer
    x = 148,857.69

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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.