Finding the Fourth Proportional to 135.08, 185.99 and 122.93
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Solution
The fourth proportional to 135.08, 185.99 and 122.93 is: 169.26
Step by Step Solution
- Step 1: Write the proportion equation
135.08 : 185.99 = 122.93 : x - Step 2: Convert to fraction form
135.08/185.99 = 122.93/x - Step 3: Cross multiply
135.08x = 185.99 × 122.93 - Step 4: Simplify right side
135.08x = 22,863.14 - Step 5: Solve for x
x = 22,863.14/135.08 - Step 6: Final answer
x = 169.26
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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.