Finding the Fourth Proportional to 125,660.89, 173,250.34 and 102,916.09
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Solution
The fourth proportional to 125,660.89, 173,250.34 and 102,916.09 is: 141,891.78
Step by Step Solution
- Step 1: Write the proportion equation
125,660.89 : 173,250.34 = 102,916.09 : x - Step 2: Convert to fraction form
125,660.89/173,250.34 = 102,916.09/x - Step 3: Cross multiply
125,660.89x = 173,250.34 × 102,916.09 - Step 4: Simplify right side
125,660.89x = 17,830,247,583.97 - Step 5: Solve for x
x = 17,830,247,583.97/125,660.89 - Step 6: Final answer
x = 141,891.78
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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.