Finding the Fourth Proportional to 135,880.91, 202,906.37 and 110,970.41
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Solution
The fourth proportional to 135,880.91, 202,906.37 and 110,970.41 is: 165,708.37
Step by Step Solution
- Step 1: Write the proportion equation
135,880.91 : 202,906.37 = 110,970.41 : x - Step 2: Convert to fraction form
135,880.91/202,906.37 = 110,970.41/x - Step 3: Cross multiply
135,880.91x = 202,906.37 × 110,970.41 - Step 4: Simplify right side
135,880.91x = 22,516,603,855.20 - Step 5: Solve for x
x = 22,516,603,855.20/135,880.91 - Step 6: Final answer
x = 165,708.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.