Finding the Fourth Proportional to 125,608.68, 173,349.54 and 71,910.48
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Solution
The fourth proportional to 125,608.68, 173,349.54 and 71,910.48 is: 99,241.94
Step by Step Solution
- Step 1: Write the proportion equation
125,608.68 : 173,349.54 = 71,910.48 : x - Step 2: Convert to fraction form
125,608.68/173,349.54 = 71,910.48/x - Step 3: Cross multiply
125,608.68x = 173,349.54 × 71,910.48 - Step 4: Simplify right side
125,608.68x = 12,465,648,629.18 - Step 5: Solve for x
x = 12,465,648,629.18/125,608.68 - Step 6: Final answer
x = 99,241.94
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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.