Finding the Fourth Proportional to 192,639.26, 265,811.12 and 120,968.54
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Solution
The fourth proportional to 192,639.26, 265,811.12 and 120,968.54 is: 166,917.08
Step by Step Solution
- Step 1: Write the proportion equation
192,639.26 : 265,811.12 = 120,968.54 : x - Step 2: Convert to fraction form
192,639.26/265,811.12 = 120,968.54/x - Step 3: Cross multiply
192,639.26x = 265,811.12 × 120,968.54 - Step 4: Simplify right side
192,639.26x = 32,154,782,618.69 - Step 5: Solve for x
x = 32,154,782,618.69/192,639.26 - Step 6: Final answer
x = 166,917.08
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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.