Finding the Fourth Proportional to 136.99, 189.01 and 97.66
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Solution
The fourth proportional to 136.99, 189.01 and 97.66 is: 134.74
Step by Step Solution
- Step 1: Write the proportion equation
136.99 : 189.01 = 97.66 : x - Step 2: Convert to fraction form
136.99/189.01 = 97.66/x - Step 3: Cross multiply
136.99x = 189.01 × 97.66 - Step 4: Simplify right side
136.99x = 18,458.24 - Step 5: Solve for x
x = 18,458.24/136.99 - Step 6: Final answer
x = 134.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.