Home / 193,548.75-290,364.60-67,193

Finding the Fourth Proportional to 193,548.75, 290,364.60 and 67,193

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Solution

The fourth proportional to 193,548.75, 290,364.60 and 67,193 is: 100,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,548.75 : 290,364.60 = 67,193 : x
  2. Step 2: Convert to fraction form
    193,548.75/290,364.60 = 67,193/x
  3. Step 3: Cross multiply
    193,548.75x = 290,364.60 × 67,193
  4. Step 4: Simplify right side
    193,548.75x = 19,510,468,567.80
  5. Step 5: Solve for x
    x = 19,510,468,567.80/193,548.75
  6. Step 6: Final answer
    x = 100,803.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.