Finding the Fourth Proportional to 125.53, 173.01 and 97.99
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Solution
The fourth proportional to 125.53, 173.01 and 97.99 is: 135.05
Step by Step Solution
- Step 1: Write the proportion equation
125.53 : 173.01 = 97.99 : x - Step 2: Convert to fraction form
125.53/173.01 = 97.99/x - Step 3: Cross multiply
125.53x = 173.01 × 97.99 - Step 4: Simplify right side
125.53x = 16,953.25 - Step 5: Solve for x
x = 16,953.25/125.53 - Step 6: Final answer
x = 135.05
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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.