Finding the Fourth Proportional to 118.19, 163.14 and 110.09
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Solution
The fourth proportional to 118.19, 163.14 and 110.09 is: 151.96
Step by Step Solution
- Step 1: Write the proportion equation
118.19 : 163.14 = 110.09 : x - Step 2: Convert to fraction form
118.19/163.14 = 110.09/x - Step 3: Cross multiply
118.19x = 163.14 × 110.09 - Step 4: Simplify right side
118.19x = 17,960.08 - Step 5: Solve for x
x = 17,960.08/118.19 - Step 6: Final answer
x = 151.96
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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.