Finding the Fourth Proportional to 135,000.20, 202,208.70 and 111,672.20
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Solution
The fourth proportional to 135,000.20, 202,208.70 and 111,672.20 is: 167,267.09
Step by Step Solution
- Step 1: Write the proportion equation
135,000.20 : 202,208.70 = 111,672.20 : x - Step 2: Convert to fraction form
135,000.20/202,208.70 = 111,672.20/x - Step 3: Cross multiply
135,000.20x = 202,208.70 × 111,672.20 - Step 4: Simplify right side
135,000.20x = 22,581,090,388.14 - Step 5: Solve for x
x = 22,581,090,388.14/135,000.20 - Step 6: Final answer
x = 167,267.09
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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.