Home / 149,027.26-205,657.50-81,959.26

Finding the Fourth Proportional to 149,027.26, 205,657.50 and 81,959.26

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Solution

The fourth proportional to 149,027.26, 205,657.50 and 81,959.26 is: 113,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.26 : 205,657.50 = 81,959.26 : x
  2. Step 2: Convert to fraction form
    149,027.26/205,657.50 = 81,959.26/x
  3. Step 3: Cross multiply
    149,027.26x = 205,657.50 × 81,959.26
  4. Step 4: Simplify right side
    149,027.26x = 16,855,536,513.45
  5. Step 5: Solve for x
    x = 16,855,536,513.45/149,027.26
  6. Step 6: Final answer
    x = 113,103.71

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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.