Home / 146,514.20-219,771.30-142,626.20

Finding the Fourth Proportional to 146,514.20, 219,771.30 and 142,626.20

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Solution

The fourth proportional to 146,514.20, 219,771.30 and 142,626.20 is: 213,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,514.20 : 219,771.30 = 142,626.20 : x
  2. Step 2: Convert to fraction form
    146,514.20/219,771.30 = 142,626.20/x
  3. Step 3: Cross multiply
    146,514.20x = 219,771.30 × 142,626.20
  4. Step 4: Simplify right side
    146,514.20x = 31,345,145,388.06
  5. Step 5: Solve for x
    x = 31,345,145,388.06/146,514.20
  6. Step 6: Final answer
    x = 213,939.30

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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.