Finding the Fourth Proportional to 135,118.26, 201,687.92 and 119,157.62
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Solution
The fourth proportional to 135,118.26, 201,687.92 and 119,157.62 is: 177,863.84
Step by Step Solution
- Step 1: Write the proportion equation
135,118.26 : 201,687.92 = 119,157.62 : x - Step 2: Convert to fraction form
135,118.26/201,687.92 = 119,157.62/x - Step 3: Cross multiply
135,118.26x = 201,687.92 × 119,157.62 - Step 4: Simplify right side
135,118.26x = 24,032,652,529.95 - Step 5: Solve for x
x = 24,032,652,529.95/135,118.26 - Step 6: Final answer
x = 177,863.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.