Finding the Fourth Proportional to 125.70, 173.51 and 88.93
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Solution
The fourth proportional to 125.70, 173.51 and 88.93 is: 122.75
Step by Step Solution
- Step 1: Write the proportion equation
125.70 : 173.51 = 88.93 : x - Step 2: Convert to fraction form
125.70/173.51 = 88.93/x - Step 3: Cross multiply
125.70x = 173.51 × 88.93 - Step 4: Simplify right side
125.70x = 15,430.24 - Step 5: Solve for x
x = 15,430.24/125.70 - Step 6: Final answer
x = 122.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.