Home / 131,512.44-181,367.94-112,463.64

Finding the Fourth Proportional to 131,512.44, 181,367.94 and 112,463.64

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Solution

The fourth proportional to 131,512.44, 181,367.94 and 112,463.64 is: 155,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.44 : 181,367.94 = 112,463.64 : x
  2. Step 2: Convert to fraction form
    131,512.44/181,367.94 = 112,463.64/x
  3. Step 3: Cross multiply
    131,512.44x = 181,367.94 × 112,463.64
  4. Step 4: Simplify right side
    131,512.44x = 20,397,298,711.70
  5. Step 5: Solve for x
    x = 20,397,298,711.70/131,512.44
  6. Step 6: Final answer
    x = 155,097.87

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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.