Home / 146,205.48-219,131.51-71,213.25

Finding the Fourth Proportional to 146,205.48, 219,131.51 and 71,213.25

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Solution

The fourth proportional to 146,205.48, 219,131.51 and 71,213.25 is: 106,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,205.48 : 219,131.51 = 71,213.25 : x
  2. Step 2: Convert to fraction form
    146,205.48/219,131.51 = 71,213.25/x
  3. Step 3: Cross multiply
    146,205.48x = 219,131.51 × 71,213.25
  4. Step 4: Simplify right side
    146,205.48x = 15,605,066,648.44
  5. Step 5: Solve for x
    x = 15,605,066,648.44/146,205.48
  6. Step 6: Final answer
    x = 106,733.80

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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.