Home / 131,825.54-181,932.27-75,245.42

Finding the Fourth Proportional to 131,825.54, 181,932.27 and 75,245.42

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Solution

The fourth proportional to 131,825.54, 181,932.27 and 75,245.42 is: 103,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,825.54 : 181,932.27 = 75,245.42 : x
  2. Step 2: Convert to fraction form
    131,825.54/181,932.27 = 75,245.42/x
  3. Step 3: Cross multiply
    131,825.54x = 181,932.27 × 75,245.42
  4. Step 4: Simplify right side
    131,825.54x = 13,689,570,067.70
  5. Step 5: Solve for x
    x = 13,689,570,067.70/131,825.54
  6. Step 6: Final answer
    x = 103,846.11

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1.5x scale

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.