Finding the Fourth Proportional to 106,211.45, 146,554.64 and 60,881.09
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Solution
The fourth proportional to 106,211.45, 146,554.64 and 60,881.09 is: 84,006.07
Step by Step Solution
- Step 1: Write the proportion equation
106,211.45 : 146,554.64 = 60,881.09 : x - Step 2: Convert to fraction form
106,211.45/146,554.64 = 60,881.09/x - Step 3: Cross multiply
106,211.45x = 146,554.64 × 60,881.09 - Step 4: Simplify right side
106,211.45x = 8,922,405,647.19 - Step 5: Solve for x
x = 8,922,405,647.19/106,211.45 - Step 6: Final answer
x = 84,006.07
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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.