Finding the Fourth Proportional to 116,725.20, 161,074.17 and 68,982.99
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Solution
The fourth proportional to 116,725.20, 161,074.17 and 68,982.99 is: 95,192.62
Step by Step Solution
- Step 1: Write the proportion equation
116,725.20 : 161,074.17 = 68,982.99 : x - Step 2: Convert to fraction form
116,725.20/161,074.17 = 68,982.99/x - Step 3: Cross multiply
116,725.20x = 161,074.17 × 68,982.99 - Step 4: Simplify right side
116,725.20x = 11,111,377,858.37 - Step 5: Solve for x
x = 11,111,377,858.37/116,725.20 - Step 6: Final answer
x = 95,192.62
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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.