Finding the Fourth Proportional to 125,806.50, 173,612.97 and 69,216.66
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Solution
The fourth proportional to 125,806.50, 173,612.97 and 69,216.66 is: 95,518.99
Step by Step Solution
- Step 1: Write the proportion equation
125,806.50 : 173,612.97 = 69,216.66 : x - Step 2: Convert to fraction form
125,806.50/173,612.97 = 69,216.66/x - Step 3: Cross multiply
125,806.50x = 173,612.97 × 69,216.66 - Step 4: Simplify right side
125,806.50x = 12,016,909,916.08 - Step 5: Solve for x
x = 12,016,909,916.08/125,806.50 - Step 6: Final answer
x = 95,518.99
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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.