Finding the Fourth Proportional to 146,638.74, 202,361.81 and 79,570.74
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Solution
The fourth proportional to 146,638.74, 202,361.81 and 79,570.74 is: 109,807.81
Step by Step Solution
- Step 1: Write the proportion equation
146,638.74 : 202,361.81 = 79,570.74 : x - Step 2: Convert to fraction form
146,638.74/202,361.81 = 79,570.74/x - Step 3: Cross multiply
146,638.74x = 202,361.81 × 79,570.74 - Step 4: Simplify right side
146,638.74x = 16,102,078,969.44 - Step 5: Solve for x
x = 16,102,078,969.44/146,638.74 - Step 6: Final answer
x = 109,807.81
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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.