Finding the Fourth Proportional to 161,101.48, 222,313.84 and 89,486.08
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Solution
The fourth proportional to 161,101.48, 222,313.84 and 89,486.08 is: 123,487.35
Step by Step Solution
- Step 1: Write the proportion equation
161,101.48 : 222,313.84 = 89,486.08 : x - Step 2: Convert to fraction form
161,101.48/222,313.84 = 89,486.08/x - Step 3: Cross multiply
161,101.48x = 222,313.84 × 89,486.08 - Step 4: Simplify right side
161,101.48x = 19,893,994,071.35 - Step 5: Solve for x
x = 19,893,994,071.35/161,101.48 - Step 6: Final answer
x = 123,487.35
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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.