Finding the Fourth Proportional to 136,852.98, 204,880.04 and 91,311.44
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Solution
The fourth proportional to 136,852.98, 204,880.04 and 91,311.44 is: 136,700.65
Step by Step Solution
- Step 1: Write the proportion equation
136,852.98 : 204,880.04 = 91,311.44 : x - Step 2: Convert to fraction form
136,852.98/204,880.04 = 91,311.44/x - Step 3: Cross multiply
136,852.98x = 204,880.04 × 91,311.44 - Step 4: Simplify right side
136,852.98x = 18,707,890,621.41 - Step 5: Solve for x
x = 18,707,890,621.41/136,852.98 - Step 6: Final answer
x = 136,700.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.