Home / 198,257.46-273,611.64-113,390.88

Finding the Fourth Proportional to 198,257.46, 273,611.64 and 113,390.88

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Solution

The fourth proportional to 198,257.46, 273,611.64 and 113,390.88 is: 156,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,257.46 : 273,611.64 = 113,390.88 : x
  2. Step 2: Convert to fraction form
    198,257.46/273,611.64 = 113,390.88/x
  3. Step 3: Cross multiply
    198,257.46x = 273,611.64 × 113,390.88
  4. Step 4: Simplify right side
    198,257.46x = 31,025,064,637.84
  5. Step 5: Solve for x
    x = 31,025,064,637.84/198,257.46
  6. Step 6: Final answer
    x = 156,488.76

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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.