Home / 192,961.49-266,416.89-120,474.86

Finding the Fourth Proportional to 192,961.49, 266,416.89 and 120,474.86

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Solution

The fourth proportional to 192,961.49, 266,416.89 and 120,474.86 is: 166,336.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,961.49 : 266,416.89 = 120,474.86 : x
  2. Step 2: Convert to fraction form
    192,961.49/266,416.89 = 120,474.86/x
  3. Step 3: Cross multiply
    192,961.49x = 266,416.89 × 120,474.86
  4. Step 4: Simplify right side
    192,961.49x = 32,096,537,524.39
  5. Step 5: Solve for x
    x = 32,096,537,524.39/192,961.49
  6. Step 6: Final answer
    x = 166,336.49

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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.