Finding the Fourth Proportional to 122,338.44, 168,829.97 and 68,627.43
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Solution
The fourth proportional to 122,338.44, 168,829.97 and 68,627.43 is: 94,707.49
Step by Step Solution
- Step 1: Write the proportion equation
122,338.44 : 168,829.97 = 68,627.43 : x - Step 2: Convert to fraction form
122,338.44/168,829.97 = 68,627.43/x - Step 3: Cross multiply
122,338.44x = 168,829.97 × 68,627.43 - Step 4: Simplify right side
122,338.44x = 11,586,366,604.94 - Step 5: Solve for x
x = 11,586,366,604.94/122,338.44 - Step 6: Final answer
x = 94,707.49
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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.