Finding the Fourth Proportional to 134,883.84, 202,216.32 and 120,121.44
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Solution
The fourth proportional to 134,883.84, 202,216.32 and 120,121.44 is: 180,084.70
Step by Step Solution
- Step 1: Write the proportion equation
134,883.84 : 202,216.32 = 120,121.44 : x - Step 2: Convert to fraction form
134,883.84/202,216.32 = 120,121.44/x - Step 3: Cross multiply
134,883.84x = 202,216.32 × 120,121.44 - Step 4: Simplify right side
134,883.84x = 24,290,515,549.90 - Step 5: Solve for x
x = 24,290,515,549.90/134,883.84 - Step 6: Final answer
x = 180,084.70
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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.