Finding the Fourth Proportional to 146,201.52, 201,762.98 and 89,601.96
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Solution
The fourth proportional to 146,201.52, 201,762.98 and 89,601.96 is: 123,653.70
Step by Step Solution
- Step 1: Write the proportion equation
146,201.52 : 201,762.98 = 89,601.96 : x - Step 2: Convert to fraction form
146,201.52/201,762.98 = 89,601.96/x - Step 3: Cross multiply
146,201.52x = 201,762.98 × 89,601.96 - Step 4: Simplify right side
146,201.52x = 18,078,358,463.44 - Step 5: Solve for x
x = 18,078,358,463.44/146,201.52 - Step 6: Final answer
x = 123,653.70
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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.