Finding the Fourth Proportional to 126,173.18, 174,119.16 and 68,812.64
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Solution
The fourth proportional to 126,173.18, 174,119.16 and 68,812.64 is: 94,961.54
Step by Step Solution
- Step 1: Write the proportion equation
126,173.18 : 174,119.16 = 68,812.64 : x - Step 2: Convert to fraction form
126,173.18/174,119.16 = 68,812.64/x - Step 3: Cross multiply
126,173.18x = 174,119.16 × 68,812.64 - Step 4: Simplify right side
126,173.18x = 11,981,599,074.18 - Step 5: Solve for x
x = 11,981,599,074.18/126,173.18 - Step 6: Final answer
x = 94,961.54
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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.