Finding the Fourth Proportional to 131,860.26, 197,790.36 and 87,573.48
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Solution
The fourth proportional to 131,860.26, 197,790.36 and 87,573.48 is: 131,360.20
Step by Step Solution
- Step 1: Write the proportion equation
131,860.26 : 197,790.36 = 87,573.48 : x - Step 2: Convert to fraction form
131,860.26/197,790.36 = 87,573.48/x - Step 3: Cross multiply
131,860.26x = 197,790.36 × 87,573.48 - Step 4: Simplify right side
131,860.26x = 17,321,190,135.65 - Step 5: Solve for x
x = 17,321,190,135.65/131,860.26 - Step 6: Final answer
x = 131,360.20
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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.