Home / 149,220.26-205,923.84-82,152.26

Finding the Fourth Proportional to 149,220.26, 205,923.84 and 82,152.26

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Solution

The fourth proportional to 149,220.26, 205,923.84 and 82,152.26 is: 113,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,220.26 : 205,923.84 = 82,152.26 : x
  2. Step 2: Convert to fraction form
    149,220.26/205,923.84 = 82,152.26/x
  3. Step 3: Cross multiply
    149,220.26x = 205,923.84 × 82,152.26
  4. Step 4: Simplify right side
    149,220.26x = 16,917,108,843.88
  5. Step 5: Solve for x
    x = 16,917,108,843.88/149,220.26
  6. Step 6: Final answer
    x = 113,370.05

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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.