Finding the Fourth Proportional to 122,517.87, 169,083.65 and 68,806.06
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Solution
The fourth proportional to 122,517.87, 169,083.65 and 68,806.06 is: 94,957.41
Step by Step Solution
- Step 1: Write the proportion equation
122,517.87 : 169,083.65 = 68,806.06 : x - Step 2: Convert to fraction form
122,517.87/169,083.65 = 68,806.06/x - Step 3: Cross multiply
122,517.87x = 169,083.65 × 68,806.06 - Step 4: Simplify right side
122,517.87x = 11,633,979,516.23 - Step 5: Solve for x
x = 11,633,979,516.23/122,517.87 - Step 6: Final answer
x = 94,957.41
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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.