Finding the Fourth Proportional to 125,629.68, 173,370.06 and 68,269.02
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Solution
The fourth proportional to 125,629.68, 173,370.06 and 68,269.02 is: 94,211.85
Step by Step Solution
- Step 1: Write the proportion equation
125,629.68 : 173,370.06 = 68,269.02 : x - Step 2: Convert to fraction form
125,629.68/173,370.06 = 68,269.02/x - Step 3: Cross multiply
125,629.68x = 173,370.06 × 68,269.02 - Step 4: Simplify right side
125,629.68x = 11,835,804,093.54 - Step 5: Solve for x
x = 11,835,804,093.54/125,629.68 - Step 6: Final answer
x = 94,211.85
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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.