Finding the Fourth Proportional to 116,817.96, 161,208.74 and 63,102.98
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Solution
The fourth proportional to 116,817.96, 161,208.74 and 63,102.98 is: 87,082.09
Step by Step Solution
- Step 1: Write the proportion equation
116,817.96 : 161,208.74 = 63,102.98 : x - Step 2: Convert to fraction form
116,817.96/161,208.74 = 63,102.98/x - Step 3: Cross multiply
116,817.96x = 161,208.74 × 63,102.98 - Step 4: Simplify right side
116,817.96x = 10,172,751,896.05 - Step 5: Solve for x
x = 10,172,751,896.05/116,817.96 - Step 6: Final answer
x = 87,082.09
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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.