Finding the Fourth Proportional to 119.24, 177.93 and 112.36
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Solution
The fourth proportional to 119.24, 177.93 and 112.36 is: 167.66
Step by Step Solution
- Step 1: Write the proportion equation
119.24 : 177.93 = 112.36 : x - Step 2: Convert to fraction form
119.24/177.93 = 112.36/x - Step 3: Cross multiply
119.24x = 177.93 × 112.36 - Step 4: Simplify right side
119.24x = 19,992.21 - Step 5: Solve for x
x = 19,992.21/119.24 - Step 6: Final answer
x = 167.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.