Finding the Fourth Proportional to 136.08, 203.94 and 63.99
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Solution
The fourth proportional to 136.08, 203.94 and 63.99 is: 95.90
Step by Step Solution
- Step 1: Write the proportion equation
136.08 : 203.94 = 63.99 : x - Step 2: Convert to fraction form
136.08/203.94 = 63.99/x - Step 3: Cross multiply
136.08x = 203.94 × 63.99 - Step 4: Simplify right side
136.08x = 13,050.12 - Step 5: Solve for x
x = 13,050.12/136.08 - Step 6: Final answer
x = 95.90
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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.