Finding the Fourth Proportional to 116,858.43, 161,537.06 and 104,236.70
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Solution
The fourth proportional to 116,858.43, 161,537.06 and 104,236.70 is: 144,089.65
Step by Step Solution
- Step 1: Write the proportion equation
116,858.43 : 161,537.06 = 104,236.70 : x - Step 2: Convert to fraction form
116,858.43/161,537.06 = 104,236.70/x - Step 3: Cross multiply
116,858.43x = 161,537.06 × 104,236.70 - Step 4: Simplify right side
116,858.43x = 16,838,089,944.76 - Step 5: Solve for x
x = 16,838,089,944.76/116,858.43 - Step 6: Final answer
x = 144,089.65
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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.