Home / 220,147.07-303,506.39-143,514.59

Finding the Fourth Proportional to 220,147.07, 303,506.39 and 143,514.59

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Solution

The fourth proportional to 220,147.07, 303,506.39 and 143,514.59 is: 197,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,147.07 : 303,506.39 = 143,514.59 : x
  2. Step 2: Convert to fraction form
    220,147.07/303,506.39 = 143,514.59/x
  3. Step 3: Cross multiply
    220,147.07x = 303,506.39 × 143,514.59
  4. Step 4: Simplify right side
    220,147.07x = 43,557,593,964.48
  5. Step 5: Solve for x
    x = 43,557,593,964.48/220,147.07
  6. Step 6: Final answer
    x = 197,856.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.