Finding the Fourth Proportional to 134,759.20, 202,110.45 and 68,136.70
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Solution
The fourth proportional to 134,759.20, 202,110.45 and 68,136.70 is: 102,190.72
Step by Step Solution
- Step 1: Write the proportion equation
134,759.20 : 202,110.45 = 68,136.70 : x - Step 2: Convert to fraction form
134,759.20/202,110.45 = 68,136.70/x - Step 3: Cross multiply
134,759.20x = 202,110.45 × 68,136.70 - Step 4: Simplify right side
134,759.20x = 13,771,139,098.52 - Step 5: Solve for x
x = 13,771,139,098.52/134,759.20 - Step 6: Final answer
x = 102,190.72
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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.