Finding the Fourth Proportional to 106,517.44, 146,998.83 and 61,210.09
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Solution
The fourth proportional to 106,517.44, 146,998.83 and 61,210.09 is: 84,472.66
Step by Step Solution
- Step 1: Write the proportion equation
106,517.44 : 146,998.83 = 61,210.09 : x - Step 2: Convert to fraction form
106,517.44/146,998.83 = 61,210.09/x - Step 3: Cross multiply
106,517.44x = 146,998.83 × 61,210.09 - Step 4: Simplify right side
106,517.44x = 8,997,811,614.19 - Step 5: Solve for x
x = 8,997,811,614.19/106,517.44 - Step 6: Final answer
x = 84,472.66
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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.