Finding the Fourth Proportional to 126,217.26, 174,180.40 and 69,628.62
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Solution
The fourth proportional to 126,217.26, 174,180.40 and 69,628.62 is: 96,087.82
Step by Step Solution
- Step 1: Write the proportion equation
126,217.26 : 174,180.40 = 69,628.62 : x - Step 2: Convert to fraction form
126,217.26/174,180.40 = 69,628.62/x - Step 3: Cross multiply
126,217.26x = 174,180.40 × 69,628.62 - Step 4: Simplify right side
126,217.26x = 12,127,940,883.05 - Step 5: Solve for x
x = 12,127,940,883.05/126,217.26 - Step 6: Final answer
x = 96,087.82
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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.