Finding the Fourth Proportional to 146,174.99, 201,721.49 and 79,106.99
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Solution
The fourth proportional to 146,174.99, 201,721.49 and 79,106.99 is: 109,167.65
Step by Step Solution
- Step 1: Write the proportion equation
146,174.99 : 201,721.49 = 79,106.99 : x - Step 2: Convert to fraction form
146,174.99/201,721.49 = 79,106.99/x - Step 3: Cross multiply
146,174.99x = 201,721.49 × 79,106.99 - Step 4: Simplify right side
146,174.99x = 15,957,579,892.22 - Step 5: Solve for x
x = 15,957,579,892.22/146,174.99 - Step 6: Final answer
x = 109,167.65
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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.