Home / 131,213.14-181,098.86-82,177.49

Finding the Fourth Proportional to 131,213.14, 181,098.86 and 82,177.49

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Solution

The fourth proportional to 131,213.14, 181,098.86 and 82,177.49 is: 113,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,213.14 : 181,098.86 = 82,177.49 : x
  2. Step 2: Convert to fraction form
    131,213.14/181,098.86 = 82,177.49/x
  3. Step 3: Cross multiply
    131,213.14x = 181,098.86 × 82,177.49
  4. Step 4: Simplify right side
    131,213.14x = 14,882,249,756.66
  5. Step 5: Solve for x
    x = 14,882,249,756.66/131,213.14
  6. Step 6: Final answer
    x = 113,420.42

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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.