Finding the Fourth Proportional to 126,294.06, 174,284.94 and 69,705.44
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Solution
The fourth proportional to 126,294.06, 174,284.94 and 69,705.44 is: 96,193.03
Step by Step Solution
- Step 1: Write the proportion equation
126,294.06 : 174,284.94 = 69,705.44 : x - Step 2: Convert to fraction form
126,294.06/174,284.94 = 69,705.44/x - Step 3: Cross multiply
126,294.06x = 174,284.94 × 69,705.44 - Step 4: Simplify right side
126,294.06x = 12,148,608,428.07 - Step 5: Solve for x
x = 12,148,608,428.07/126,294.06 - Step 6: Final answer
x = 96,193.03
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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.