Finding the Fourth Proportional to 122.99, 184.09 and 94.21
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Solution
The fourth proportional to 122.99, 184.09 and 94.21 is: 141.01
Step by Step Solution
- Step 1: Write the proportion equation
122.99 : 184.09 = 94.21 : x - Step 2: Convert to fraction form
122.99/184.09 = 94.21/x - Step 3: Cross multiply
122.99x = 184.09 × 94.21 - Step 4: Simplify right side
122.99x = 17,343.12 - Step 5: Solve for x
x = 17,343.12/122.99 - Step 6: Final answer
x = 141.01
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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.