Home / 172,250.28-258,434.62-77,546.86

Finding the Fourth Proportional to 172,250.28, 258,434.62 and 77,546.86

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Solution

The fourth proportional to 172,250.28, 258,434.62 and 77,546.86 is: 116,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,250.28 : 258,434.62 = 77,546.86 : x
  2. Step 2: Convert to fraction form
    172,250.28/258,434.62 = 77,546.86/x
  3. Step 3: Cross multiply
    172,250.28x = 258,434.62 × 77,546.86
  4. Step 4: Simplify right side
    172,250.28x = 20,040,793,619.39
  5. Step 5: Solve for x
    x = 20,040,793,619.39/172,250.28
  6. Step 6: Final answer
    x = 116,346.94

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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.