Finding the Fourth Proportional to 117,267.92, 161,832.84 and 66,965.84
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Solution
The fourth proportional to 117,267.92, 161,832.84 and 66,965.84 is: 92,414.64
Step by Step Solution
- Step 1: Write the proportion equation
117,267.92 : 161,832.84 = 66,965.84 : x - Step 2: Convert to fraction form
117,267.92/161,832.84 = 66,965.84/x - Step 3: Cross multiply
117,267.92x = 161,832.84 × 66,965.84 - Step 4: Simplify right side
117,267.92x = 10,837,272,070.19 - Step 5: Solve for x
x = 10,837,272,070.19/117,267.92 - Step 6: Final answer
x = 92,414.64
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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.