Finding the Fourth Proportional to 126,170.24, 189,192.64 and 73,592.96
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Solution
The fourth proportional to 126,170.24, 189,192.64 and 73,592.96 is: 110,352.86
Step by Step Solution
- Step 1: Write the proportion equation
126,170.24 : 189,192.64 = 73,592.96 : x - Step 2: Convert to fraction form
126,170.24/189,192.64 = 73,592.96/x - Step 3: Cross multiply
126,170.24x = 189,192.64 × 73,592.96 - Step 4: Simplify right side
126,170.24x = 13,923,246,387.81 - Step 5: Solve for x
x = 13,923,246,387.81/126,170.24 - Step 6: Final answer
x = 110,352.86
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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.