Home / 192,915.54-266,222.93-106,874.69

Finding the Fourth Proportional to 192,915.54, 266,222.93 and 106,874.69

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Solution

The fourth proportional to 192,915.54, 266,222.93 and 106,874.69 is: 147,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,915.54 : 266,222.93 = 106,874.69 : x
  2. Step 2: Convert to fraction form
    192,915.54/266,222.93 = 106,874.69/x
  3. Step 3: Cross multiply
    192,915.54x = 266,222.93 × 106,874.69
  4. Step 4: Simplify right side
    192,915.54x = 28,452,491,249.15
  5. Step 5: Solve for x
    x = 28,452,491,249.15/192,915.54
  6. Step 6: Final answer
    x = 147,486.78

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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.