Finding the Fourth Proportional to 125,537.76, 173,240.51 and 68,945.49
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Solution
The fourth proportional to 125,537.76, 173,240.51 and 68,945.49 is: 95,143.90
Step by Step Solution
- Step 1: Write the proportion equation
125,537.76 : 173,240.51 = 68,945.49 : x - Step 2: Convert to fraction form
125,537.76/173,240.51 = 68,945.49/x - Step 3: Cross multiply
125,537.76x = 173,240.51 × 68,945.49 - Step 4: Simplify right side
125,537.76x = 11,944,151,505.07 - Step 5: Solve for x
x = 11,944,151,505.07/125,537.76 - Step 6: Final answer
x = 95,143.90
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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.