Home / 166,960.12-250,522.42-78,198.30

Finding the Fourth Proportional to 166,960.12, 250,522.42 and 78,198.30

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Solution

The fourth proportional to 166,960.12, 250,522.42 and 78,198.30 is: 117,335.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,960.12 : 250,522.42 = 78,198.30 : x
  2. Step 2: Convert to fraction form
    166,960.12/250,522.42 = 78,198.30/x
  3. Step 3: Cross multiply
    166,960.12x = 250,522.42 × 78,198.30
  4. Step 4: Simplify right side
    166,960.12x = 19,590,427,355.89
  5. Step 5: Solve for x
    x = 19,590,427,355.89/166,960.12
  6. Step 6: Final answer
    x = 117,335.97

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1.5x scale

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.