Finding the Fourth Proportional to 146,175.36, 201,721.60 and 79,107.36
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Solution
The fourth proportional to 146,175.36, 201,721.60 and 79,107.36 is: 109,167.94
Step by Step Solution
- Step 1: Write the proportion equation
146,175.36 : 201,721.60 = 79,107.36 : x - Step 2: Convert to fraction form
146,175.36/201,721.60 = 79,107.36/x - Step 3: Cross multiply
146,175.36x = 201,721.60 × 79,107.36 - Step 4: Simplify right side
146,175.36x = 15,957,663,230.98 - Step 5: Solve for x
x = 15,957,663,230.98/146,175.36 - Step 6: Final answer
x = 109,167.94
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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.