Home / 192,942.24-266,352.85-135,630.69

Finding the Fourth Proportional to 192,942.24, 266,352.85 and 135,630.69

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Solution

The fourth proportional to 192,942.24, 266,352.85 and 135,630.69 is: 187,235.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,942.24 : 266,352.85 = 135,630.69 : x
  2. Step 2: Convert to fraction form
    192,942.24/266,352.85 = 135,630.69/x
  3. Step 3: Cross multiply
    192,942.24x = 266,352.85 × 135,630.69
  4. Step 4: Simplify right side
    192,942.24x = 36,125,622,166.87
  5. Step 5: Solve for x
    x = 36,125,622,166.87/192,942.24
  6. Step 6: Final answer
    x = 187,235.42

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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.