Finding the Fourth Proportional to 135,496.20, 202,952.70 and 112,168.20
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Solution
The fourth proportional to 135,496.20, 202,952.70 and 112,168.20 is: 168,010.90
Step by Step Solution
- Step 1: Write the proportion equation
135,496.20 : 202,952.70 = 112,168.20 : x - Step 2: Convert to fraction form
135,496.20/202,952.70 = 112,168.20/x - Step 3: Cross multiply
135,496.20x = 202,952.70 × 112,168.20 - Step 4: Simplify right side
135,496.20x = 22,764,839,044.14 - Step 5: Solve for x
x = 22,764,839,044.14/135,496.20 - Step 6: Final answer
x = 168,010.90
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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.