Finding the Fourth Proportional to 146,638.24, 202,361.12 and 79,570.24
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Solution
The fourth proportional to 146,638.24, 202,361.12 and 79,570.24 is: 109,807.12
Step by Step Solution
- Step 1: Write the proportion equation
146,638.24 : 202,361.12 = 79,570.24 : x - Step 2: Convert to fraction form
146,638.24/202,361.12 = 79,570.24/x - Step 3: Cross multiply
146,638.24x = 202,361.12 × 79,570.24 - Step 4: Simplify right side
146,638.24x = 16,101,922,885.07 - Step 5: Solve for x
x = 16,101,922,885.07/146,638.24 - Step 6: Final answer
x = 109,807.12
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1.5x scale
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.