Finding the Fourth Proportional to 132,420.35, 198,568.33 and 48,121.07
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Solution
The fourth proportional to 132,420.35, 198,568.33 and 48,121.07 is: 72,158.99
Step by Step Solution
- Step 1: Write the proportion equation
132,420.35 : 198,568.33 = 48,121.07 : x - Step 2: Convert to fraction form
132,420.35/198,568.33 = 48,121.07/x - Step 3: Cross multiply
132,420.35x = 198,568.33 × 48,121.07 - Step 4: Simplify right side
132,420.35x = 9,555,319,394.57 - Step 5: Solve for x
x = 9,555,319,394.57/132,420.35 - Step 6: Final answer
x = 72,158.99
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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.