Home / 198,495.41-273,924.68-107,851.61

Finding the Fourth Proportional to 198,495.41, 273,924.68 and 107,851.61

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Solution

The fourth proportional to 198,495.41, 273,924.68 and 107,851.61 is: 148,835.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,495.41 : 273,924.68 = 107,851.61 : x
  2. Step 2: Convert to fraction form
    198,495.41/273,924.68 = 107,851.61/x
  3. Step 3: Cross multiply
    198,495.41x = 273,924.68 × 107,851.61
  4. Step 4: Simplify right side
    198,495.41x = 29,543,216,117.48
  5. Step 5: Solve for x
    x = 29,543,216,117.48/198,495.41
  6. Step 6: Final answer
    x = 148,835.76

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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.