Finding the Fourth Proportional to 146,804.70, 202,583.70 and 83,142.99
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Solution
The fourth proportional to 146,804.70, 202,583.70 and 83,142.99 is: 114,733.48
Step by Step Solution
- Step 1: Write the proportion equation
146,804.70 : 202,583.70 = 83,142.99 : x - Step 2: Convert to fraction form
146,804.70/202,583.70 = 83,142.99/x - Step 3: Cross multiply
146,804.70x = 202,583.70 × 83,142.99 - Step 4: Simplify right side
146,804.70x = 16,843,414,543.26 - Step 5: Solve for x
x = 16,843,414,543.26/146,804.70 - Step 6: Final answer
x = 114,733.48
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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.