Finding the Fourth Proportional to 136.09, 203.87 and 131.99
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Solution
The fourth proportional to 136.09, 203.87 and 131.99 is: 197.73
Step by Step Solution
- Step 1: Write the proportion equation
136.09 : 203.87 = 131.99 : x - Step 2: Convert to fraction form
136.09/203.87 = 131.99/x - Step 3: Cross multiply
136.09x = 203.87 × 131.99 - Step 4: Simplify right side
136.09x = 26,908.80 - Step 5: Solve for x
x = 26,908.80/136.09 - Step 6: Final answer
x = 197.73
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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.