Finding the Fourth Proportional to 134,872.70, 202,280.70 and 68,250.20
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Solution
The fourth proportional to 134,872.70, 202,280.70 and 68,250.20 is: 102,360.95
Step by Step Solution
- Step 1: Write the proportion equation
134,872.70 : 202,280.70 = 68,250.20 : x - Step 2: Convert to fraction form
134,872.70/202,280.70 = 68,250.20/x - Step 3: Cross multiply
134,872.70x = 202,280.70 × 68,250.20 - Step 4: Simplify right side
134,872.70x = 13,805,698,231.14 - Step 5: Solve for x
x = 13,805,698,231.14/134,872.70 - Step 6: Final answer
x = 102,360.95
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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.