Home / 143,316.54-214,979.67-38,135.61

Finding the Fourth Proportional to 143,316.54, 214,979.67 and 38,135.61

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Solution

The fourth proportional to 143,316.54, 214,979.67 and 38,135.61 is: 57,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.54 : 214,979.67 = 38,135.61 : x
  2. Step 2: Convert to fraction form
    143,316.54/214,979.67 = 38,135.61/x
  3. Step 3: Cross multiply
    143,316.54x = 214,979.67 × 38,135.61
  4. Step 4: Simplify right side
    143,316.54x = 8,198,380,853.05
  5. Step 5: Solve for x
    x = 8,198,380,853.05/143,316.54
  6. Step 6: Final answer
    x = 57,204.71

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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.