Finding the Fourth Proportional to 127.99, 192.07 and 73.99
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Solution
The fourth proportional to 127.99, 192.07 and 73.99 is: 111.03
Step by Step Solution
- Step 1: Write the proportion equation
127.99 : 192.07 = 73.99 : x - Step 2: Convert to fraction form
127.99/192.07 = 73.99/x - Step 3: Cross multiply
127.99x = 192.07 × 73.99 - Step 4: Simplify right side
127.99x = 14,211.26 - Step 5: Solve for x
x = 14,211.26/127.99 - Step 6: Final answer
x = 111.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.