Home / 143,909.25-215,863.87-50,393.13

Finding the Fourth Proportional to 143,909.25, 215,863.87 and 50,393.13

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Solution

The fourth proportional to 143,909.25, 215,863.87 and 50,393.13 is: 75,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,909.25 : 215,863.87 = 50,393.13 : x
  2. Step 2: Convert to fraction form
    143,909.25/215,863.87 = 50,393.13/x
  3. Step 3: Cross multiply
    143,909.25x = 215,863.87 × 50,393.13
  4. Step 4: Simplify right side
    143,909.25x = 10,878,056,063.21
  5. Step 5: Solve for x
    x = 10,878,056,063.21/143,909.25
  6. Step 6: Final answer
    x = 75,589.69

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Double scale
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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.