Finding the Fourth Proportional to 168,232.58, 232,161.18 and 91,751.84
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Solution
The fourth proportional to 168,232.58, 232,161.18 and 91,751.84 is: 126,617.66
Step by Step Solution
- Step 1: Write the proportion equation
168,232.58 : 232,161.18 = 91,751.84 : x - Step 2: Convert to fraction form
168,232.58/232,161.18 = 91,751.84/x - Step 3: Cross multiply
168,232.58x = 232,161.18 × 91,751.84 - Step 4: Simplify right side
168,232.58x = 21,301,215,441.57 - Step 5: Solve for x
x = 21,301,215,441.57/168,232.58 - Step 6: Final answer
x = 126,617.66
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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.