Finding the Fourth Proportional to 135,063.20, 202,594.80 and 93,072.80
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Solution
The fourth proportional to 135,063.20, 202,594.80 and 93,072.80 is: 139,609.20
Step by Step Solution
- Step 1: Write the proportion equation
135,063.20 : 202,594.80 = 93,072.80 : x - Step 2: Convert to fraction form
135,063.20/202,594.80 = 93,072.80/x - Step 3: Cross multiply
135,063.20x = 202,594.80 × 93,072.80 - Step 4: Simplify right side
135,063.20x = 18,856,065,301.44 - Step 5: Solve for x
x = 18,856,065,301.44/135,063.20 - Step 6: Final answer
x = 139,609.20
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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.