Home / 143,786.06-215,679.09-43,946.54

Finding the Fourth Proportional to 143,786.06, 215,679.09 and 43,946.54

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Solution

The fourth proportional to 143,786.06, 215,679.09 and 43,946.54 is: 65,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,786.06 : 215,679.09 = 43,946.54 : x
  2. Step 2: Convert to fraction form
    143,786.06/215,679.09 = 43,946.54/x
  3. Step 3: Cross multiply
    143,786.06x = 215,679.09 × 43,946.54
  4. Step 4: Simplify right side
    143,786.06x = 9,478,349,755.85
  5. Step 5: Solve for x
    x = 9,478,349,755.85/143,786.06
  6. Step 6: Final answer
    x = 65,919.81

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Similar ratio
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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.