Home / 149,467.50-206,265.15-82,400.94

Finding the Fourth Proportional to 149,467.50, 206,265.15 and 82,400.94

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Solution

The fourth proportional to 149,467.50, 206,265.15 and 82,400.94 is: 113,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,467.50 : 206,265.15 = 82,400.94 : x
  2. Step 2: Convert to fraction form
    149,467.50/206,265.15 = 82,400.94/x
  3. Step 3: Cross multiply
    149,467.50x = 206,265.15 × 82,400.94
  4. Step 4: Simplify right side
    149,467.50x = 16,996,442,249.24
  5. Step 5: Solve for x
    x = 16,996,442,249.24/149,467.50
  6. Step 6: Final answer
    x = 113,713.30

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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.