Finding the Fourth Proportional to 116,958.96, 161,403.48 and 63,243.99
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Solution
The fourth proportional to 116,958.96, 161,403.48 and 63,243.99 is: 87,276.77
Step by Step Solution
- Step 1: Write the proportion equation
116,958.96 : 161,403.48 = 63,243.99 : x - Step 2: Convert to fraction form
116,958.96/161,403.48 = 63,243.99/x - Step 3: Cross multiply
116,958.96x = 161,403.48 × 63,243.99 - Step 4: Simplify right side
116,958.96x = 10,207,800,075.09 - Step 5: Solve for x
x = 10,207,800,075.09/116,958.96 - Step 6: Final answer
x = 87,276.77
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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.