Home / 95,278.47-131,154.28-82,351.86

Finding the Fourth Proportional to 95,278.47, 131,154.28 and 82,351.86

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Solution

The fourth proportional to 95,278.47, 131,154.28 and 82,351.86 is: 113,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,278.47 : 131,154.28 = 82,351.86 : x
  2. Step 2: Convert to fraction form
    95,278.47/131,154.28 = 82,351.86/x
  3. Step 3: Cross multiply
    95,278.47x = 131,154.28 × 82,351.86
  4. Step 4: Simplify right side
    95,278.47x = 10,800,798,904.96
  5. Step 5: Solve for x
    x = 10,800,798,904.96/95,278.47
  6. Step 6: Final answer
    x = 113,360.33

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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.