Finding the Fourth Proportional to 156,845.97, 235,136.70 and 68,032.62
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Solution
The fourth proportional to 156,845.97, 235,136.70 and 68,032.62 is: 101,991.56
Step by Step Solution
- Step 1: Write the proportion equation
156,845.97 : 235,136.70 = 68,032.62 : x - Step 2: Convert to fraction form
156,845.97/235,136.70 = 68,032.62/x - Step 3: Cross multiply
156,845.97x = 235,136.70 × 68,032.62 - Step 4: Simplify right side
156,845.97x = 15,996,965,759.15 - Step 5: Solve for x
x = 15,996,965,759.15/156,845.97 - Step 6: Final answer
x = 101,991.56
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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.