Finding the Fourth Proportional to 125,685.56, 173,447.19 and 68,324.99
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Solution
The fourth proportional to 125,685.56, 173,447.19 and 68,324.99 is: 94,289.09
Step by Step Solution
- Step 1: Write the proportion equation
125,685.56 : 173,447.19 = 68,324.99 : x - Step 2: Convert to fraction form
125,685.56/173,447.19 = 68,324.99/x - Step 3: Cross multiply
125,685.56x = 173,447.19 × 68,324.99 - Step 4: Simplify right side
125,685.56x = 11,850,777,128.07 - Step 5: Solve for x
x = 11,850,777,128.07/125,685.56 - Step 6: Final answer
x = 94,289.09
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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.