Finding the Fourth Proportional to 163,632.36, 225,814.02 and 92,011.76
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Solution
The fourth proportional to 163,632.36, 225,814.02 and 92,011.76 is: 126,976.99
Step by Step Solution
- Step 1: Write the proportion equation
163,632.36 : 225,814.02 = 92,011.76 : x - Step 2: Convert to fraction form
163,632.36/225,814.02 = 92,011.76/x - Step 3: Cross multiply
163,632.36x = 225,814.02 × 92,011.76 - Step 4: Simplify right side
163,632.36x = 20,777,544,785.56 - Step 5: Solve for x
x = 20,777,544,785.56/163,632.36 - Step 6: Final answer
x = 126,976.99
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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.