Finding the Fourth Proportional to 135.54, 202.97 and 124.13
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Solution
The fourth proportional to 135.54, 202.97 and 124.13 is: 185.89
Step by Step Solution
- Step 1: Write the proportion equation
135.54 : 202.97 = 124.13 : x - Step 2: Convert to fraction form
135.54/202.97 = 124.13/x - Step 3: Cross multiply
135.54x = 202.97 × 124.13 - Step 4: Simplify right side
135.54x = 25,195.48 - Step 5: Solve for x
x = 25,195.48/135.54 - Step 6: Final answer
x = 185.89
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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.