Home / 131,116.99-196,621.26-41,129.69

Finding the Fourth Proportional to 131,116.99, 196,621.26 and 41,129.69

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Solution

The fourth proportional to 131,116.99, 196,621.26 and 41,129.69 is: 61,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,116.99 : 196,621.26 = 41,129.69 : x
  2. Step 2: Convert to fraction form
    131,116.99/196,621.26 = 41,129.69/x
  3. Step 3: Cross multiply
    131,116.99x = 196,621.26 × 41,129.69
  4. Step 4: Simplify right side
    131,116.99x = 8,086,971,471.21
  5. Step 5: Solve for x
    x = 8,086,971,471.21/131,116.99
  6. Step 6: Final answer
    x = 61,677.53

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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.