Finding the Fourth Proportional to 163,935.05, 245,519.84 and 126,195.64
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Solution
The fourth proportional to 163,935.05, 245,519.84 and 126,195.64 is: 188,998.84
Step by Step Solution
- Step 1: Write the proportion equation
163,935.05 : 245,519.84 = 126,195.64 : x - Step 2: Convert to fraction form
163,935.05/245,519.84 = 126,195.64/x - Step 3: Cross multiply
163,935.05x = 245,519.84 × 126,195.64 - Step 4: Simplify right side
163,935.05x = 30,983,533,043.19 - Step 5: Solve for x
x = 30,983,533,043.19/163,935.05 - Step 6: Final answer
x = 188,998.84
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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.