Home / 149,276.43-205,992.14-82,208.43

Finding the Fourth Proportional to 149,276.43, 205,992.14 and 82,208.43

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Solution

The fourth proportional to 149,276.43, 205,992.14 and 82,208.43 is: 113,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,276.43 : 205,992.14 = 82,208.43 : x
  2. Step 2: Convert to fraction form
    149,276.43/205,992.14 = 82,208.43/x
  3. Step 3: Cross multiply
    149,276.43x = 205,992.14 × 82,208.43
  4. Step 4: Simplify right side
    149,276.43x = 16,934,290,010.70
  5. Step 5: Solve for x
    x = 16,934,290,010.70/149,276.43
  6. Step 6: Final answer
    x = 113,442.49

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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.