Home / 149,180.67-205,869.24-82,112.67

Finding the Fourth Proportional to 149,180.67, 205,869.24 and 82,112.67

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Solution

The fourth proportional to 149,180.67, 205,869.24 and 82,112.67 is: 113,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,180.67 : 205,869.24 = 82,112.67 : x
  2. Step 2: Convert to fraction form
    149,180.67/205,869.24 = 82,112.67/x
  3. Step 3: Cross multiply
    149,180.67x = 205,869.24 × 82,112.67
  4. Step 4: Simplify right side
    149,180.67x = 16,904,472,967.27
  5. Step 5: Solve for x
    x = 16,904,472,967.27/149,180.67
  6. Step 6: Final answer
    x = 113,315.44

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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.