Home / 141,469.76-195,229.58-76,939.60

Finding the Fourth Proportional to 141,469.76, 195,229.58 and 76,939.60

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Solution

The fourth proportional to 141,469.76, 195,229.58 and 76,939.60 is: 106,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469.76 : 195,229.58 = 76,939.60 : x
  2. Step 2: Convert to fraction form
    141,469.76/195,229.58 = 76,939.60/x
  3. Step 3: Cross multiply
    141,469.76x = 195,229.58 × 76,939.60
  4. Step 4: Simplify right side
    141,469.76x = 15,020,885,793.37
  5. Step 5: Solve for x
    x = 15,020,885,793.37/141,469.76
  6. Step 6: Final answer
    x = 106,177.36

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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.