Finding the Fourth Proportional to 68,766.36, 103,149.58 and 18,846.88
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Solution
The fourth proportional to 68,766.36, 103,149.58 and 18,846.88 is: 28,270.33
Step by Step Solution
- Step 1: Write the proportion equation
68,766.36 : 103,149.58 = 18,846.88 : x - Step 2: Convert to fraction form
68,766.36/103,149.58 = 18,846.88/x - Step 3: Cross multiply
68,766.36x = 103,149.58 × 18,846.88 - Step 4: Simplify right side
68,766.36x = 1,944,047,756.31 - Step 5: Solve for x
x = 1,944,047,756.31/68,766.36 - Step 6: Final answer
x = 28,270.33
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1.5x scale
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.