Finding the Fourth Proportional to 125.55, 173.14 and 97.91
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Solution
The fourth proportional to 125.55, 173.14 and 97.91 is: 135.02
Step by Step Solution
- Step 1: Write the proportion equation
125.55 : 173.14 = 97.91 : x - Step 2: Convert to fraction form
125.55/173.14 = 97.91/x - Step 3: Cross multiply
125.55x = 173.14 × 97.91 - Step 4: Simplify right side
125.55x = 16,951.68 - Step 5: Solve for x
x = 16,951.68/125.55 - Step 6: Final answer
x = 135.02
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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.