Finding the Fourth Proportional to 117,186.08, 161,716.73 and 63,471.08
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Solution
The fourth proportional to 117,186.08, 161,716.73 and 63,471.08 is: 87,590.06
Step by Step Solution
- Step 1: Write the proportion equation
117,186.08 : 161,716.73 = 63,471.08 : x - Step 2: Convert to fraction form
117,186.08/161,716.73 = 63,471.08/x - Step 3: Cross multiply
117,186.08x = 161,716.73 × 63,471.08 - Step 4: Simplify right side
117,186.08x = 10,264,335,594.10 - Step 5: Solve for x
x = 10,264,335,594.10/117,186.08 - Step 6: Final answer
x = 87,590.06
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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.