Home / 220,908.61-331,861.73-131,010.29

Finding the Fourth Proportional to 220,908.61, 331,861.73 and 131,010.29

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Solution

The fourth proportional to 220,908.61, 331,861.73 and 131,010.29 is: 196,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,908.61 : 331,861.73 = 131,010.29 : x
  2. Step 2: Convert to fraction form
    220,908.61/331,861.73 = 131,010.29/x
  3. Step 3: Cross multiply
    220,908.61x = 331,861.73 × 131,010.29
  4. Step 4: Simplify right side
    220,908.61x = 43,477,301,487.20
  5. Step 5: Solve for x
    x = 43,477,301,487.20/220,908.61
  6. Step 6: Final answer
    x = 196,811.26

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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.