Finding the Fourth Proportional to 126,616.44, 189,837.18 and 55,504.92
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Solution
The fourth proportional to 126,616.44, 189,837.18 and 55,504.92 is: 83,219.03
Step by Step Solution
- Step 1: Write the proportion equation
126,616.44 : 189,837.18 = 55,504.92 : x - Step 2: Convert to fraction form
126,616.44/189,837.18 = 55,504.92/x - Step 3: Cross multiply
126,616.44x = 189,837.18 × 55,504.92 - Step 4: Simplify right side
126,616.44x = 10,536,897,488.93 - Step 5: Solve for x
x = 10,536,897,488.93/126,616.44 - Step 6: Final answer
x = 83,219.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.