Finding the Fourth Proportional to 135,004.20, 202,214.70 and 111,676.20
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Solution
The fourth proportional to 135,004.20, 202,214.70 and 111,676.20 is: 167,273.09
Step by Step Solution
- Step 1: Write the proportion equation
135,004.20 : 202,214.70 = 111,676.20 : x - Step 2: Convert to fraction form
135,004.20/202,214.70 = 111,676.20/x - Step 3: Cross multiply
135,004.20x = 202,214.70 × 111,676.20 - Step 4: Simplify right side
135,004.20x = 22,582,569,280.14 - Step 5: Solve for x
x = 22,582,569,280.14/135,004.20 - Step 6: Final answer
x = 167,273.09
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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.