Finding the Fourth Proportional to 126,301.64, 174,295.42 and 68,940.73
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Solution
The fourth proportional to 126,301.64, 174,295.42 and 68,940.73 is: 95,137.75
Step by Step Solution
- Step 1: Write the proportion equation
126,301.64 : 174,295.42 = 68,940.73 : x - Step 2: Convert to fraction form
126,301.64/174,295.42 = 68,940.73/x - Step 3: Cross multiply
126,301.64x = 174,295.42 × 68,940.73 - Step 4: Simplify right side
126,301.64x = 12,016,052,882.37 - Step 5: Solve for x
x = 12,016,052,882.37/126,301.64 - Step 6: Final answer
x = 95,137.75
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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.