Home / 95,146.59-131,177.82-81,860.56

Finding the Fourth Proportional to 95,146.59, 131,177.82 and 81,860.56

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Solution

The fourth proportional to 95,146.59, 131,177.82 and 81,860.56 is: 112,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,146.59 : 131,177.82 = 81,860.56 : x
  2. Step 2: Convert to fraction form
    95,146.59/131,177.82 = 81,860.56/x
  3. Step 3: Cross multiply
    95,146.59x = 131,177.82 × 81,860.56
  4. Step 4: Simplify right side
    95,146.59x = 10,738,289,804.78
  5. Step 5: Solve for x
    x = 10,738,289,804.78/95,146.59
  6. Step 6: Final answer
    x = 112,860.48

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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.