Home / 198,429.68-273,804.24-113,530.88

Finding the Fourth Proportional to 198,429.68, 273,804.24 and 113,530.88

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Solution

The fourth proportional to 198,429.68, 273,804.24 and 113,530.88 is: 156,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,429.68 : 273,804.24 = 113,530.88 : x
  2. Step 2: Convert to fraction form
    198,429.68/273,804.24 = 113,530.88/x
  3. Step 3: Cross multiply
    198,429.68x = 273,804.24 × 113,530.88
  4. Step 4: Simplify right side
    198,429.68x = 31,085,236,314.93
  5. Step 5: Solve for x
    x = 31,085,236,314.93/198,429.68
  6. Step 6: Final answer
    x = 156,656.18

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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.