Finding the Fourth Proportional to 189,116.16, 261,101.80 and 117,593.44
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Solution
The fourth proportional to 189,116.16, 261,101.80 and 117,593.44 is: 162,354.50
Step by Step Solution
- Step 1: Write the proportion equation
189,116.16 : 261,101.80 = 117,593.44 : x - Step 2: Convert to fraction form
189,116.16/261,101.80 = 117,593.44/x - Step 3: Cross multiply
189,116.16x = 261,101.80 × 117,593.44 - Step 4: Simplify right side
189,116.16x = 30,703,858,852.19 - Step 5: Solve for x
x = 30,703,858,852.19/189,116.16 - Step 6: Final answer
x = 162,354.50
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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.