Home / 143,504.75-215,116.58-53,481.56

Finding the Fourth Proportional to 143,504.75, 215,116.58 and 53,481.56

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Solution

The fourth proportional to 143,504.75, 215,116.58 and 53,481.56 is: 80,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,504.75 : 215,116.58 = 53,481.56 : x
  2. Step 2: Convert to fraction form
    143,504.75/215,116.58 = 53,481.56/x
  3. Step 3: Cross multiply
    143,504.75x = 215,116.58 × 53,481.56
  4. Step 4: Simplify right side
    143,504.75x = 11,504,768,937.27
  5. Step 5: Solve for x
    x = 11,504,768,937.27/143,504.75
  6. Step 6: Final answer
    x = 80,169.95

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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.