Finding the Fourth Proportional to 96.68, 144.67 and 83.99
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Solution
The fourth proportional to 96.68, 144.67 and 83.99 is: 125.68
Step by Step Solution
- Step 1: Write the proportion equation
96.68 : 144.67 = 83.99 : x - Step 2: Convert to fraction form
96.68/144.67 = 83.99/x - Step 3: Cross multiply
96.68x = 144.67 × 83.99 - Step 4: Simplify right side
96.68x = 12,150.83 - Step 5: Solve for x
x = 12,150.83/96.68 - Step 6: Final answer
x = 125.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.