Finding the Fourth Proportional to 168,204.22, 232,118.16 and 91,724.15
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Solution
The fourth proportional to 168,204.22, 232,118.16 and 91,724.15 is: 126,577.32
Step by Step Solution
- Step 1: Write the proportion equation
168,204.22 : 232,118.16 = 91,724.15 : x - Step 2: Convert to fraction form
168,204.22/232,118.16 = 91,724.15/x - Step 3: Cross multiply
168,204.22x = 232,118.16 × 91,724.15 - Step 4: Simplify right side
168,204.22x = 21,290,839,856.23 - Step 5: Solve for x
x = 21,290,839,856.23/168,204.22 - Step 6: Final answer
x = 126,577.32
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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.