Home / 95,638.64-131,986.20-53,198

Finding the Fourth Proportional to 95,638.64, 131,986.20 and 53,198

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Solution

The fourth proportional to 95,638.64, 131,986.20 and 53,198 is: 73,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.64 : 131,986.20 = 53,198 : x
  2. Step 2: Convert to fraction form
    95,638.64/131,986.20 = 53,198/x
  3. Step 3: Cross multiply
    95,638.64x = 131,986.20 × 53,198
  4. Step 4: Simplify right side
    95,638.64x = 7,021,401,867.60
  5. Step 5: Solve for x
    x = 7,021,401,867.60/95,638.64
  6. Step 6: Final answer
    x = 73,415.95

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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.