Finding the Fourth Proportional to 125,918.62, 188,898.43 and 37,181.09
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Solution
The fourth proportional to 125,918.62, 188,898.43 and 37,181.09 is: 55,777.69
Step by Step Solution
- Step 1: Write the proportion equation
125,918.62 : 188,898.43 = 37,181.09 : x - Step 2: Convert to fraction form
125,918.62/188,898.43 = 37,181.09/x - Step 3: Cross multiply
125,918.62x = 188,898.43 × 37,181.09 - Step 4: Simplify right side
125,918.62x = 7,023,449,975.70 - Step 5: Solve for x
x = 7,023,449,975.70/125,918.62 - Step 6: Final answer
x = 55,777.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.