Finding the Fourth Proportional to 125.24, 187.53 and 97.70
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Solution
The fourth proportional to 125.24, 187.53 and 97.70 is: 146.29
Step by Step Solution
- Step 1: Write the proportion equation
125.24 : 187.53 = 97.70 : x - Step 2: Convert to fraction form
125.24/187.53 = 97.70/x - Step 3: Cross multiply
125.24x = 187.53 × 97.70 - Step 4: Simplify right side
125.24x = 18,320.74 - Step 5: Solve for x
x = 18,320.74/125.24 - Step 6: Final answer
x = 146.29
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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.