Home / 146,255.85-219,383.78-129,634.65

Finding the Fourth Proportional to 146,255.85, 219,383.78 and 129,634.65

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Solution

The fourth proportional to 146,255.85, 219,383.78 and 129,634.65 is: 194,451.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,255.85 : 219,383.78 = 129,634.65 : x
  2. Step 2: Convert to fraction form
    146,255.85/219,383.78 = 129,634.65/x
  3. Step 3: Cross multiply
    146,255.85x = 219,383.78 × 129,634.65
  4. Step 4: Simplify right side
    146,255.85x = 28,439,738,887.80
  5. Step 5: Solve for x
    x = 28,439,738,887.80/146,255.85
  6. Step 6: Final answer
    x = 194,451.98

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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.