Finding the Fourth Proportional to 135.96, 203.76 and 92.55
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Solution
The fourth proportional to 135.96, 203.76 and 92.55 is: 138.70
Step by Step Solution
- Step 1: Write the proportion equation
135.96 : 203.76 = 92.55 : x - Step 2: Convert to fraction form
135.96/203.76 = 92.55/x - Step 3: Cross multiply
135.96x = 203.76 × 92.55 - Step 4: Simplify right side
135.96x = 18,857.99 - Step 5: Solve for x
x = 18,857.99/135.96 - Step 6: Final answer
x = 138.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.