Finding the Fourth Proportional to 135,192.20, 202,496.70 and 111,864.20
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Solution
The fourth proportional to 135,192.20, 202,496.70 and 111,864.20 is: 167,555.02
Step by Step Solution
- Step 1: Write the proportion equation
135,192.20 : 202,496.70 = 111,864.20 : x - Step 2: Convert to fraction form
135,192.20/202,496.70 = 111,864.20/x - Step 3: Cross multiply
135,192.20x = 202,496.70 × 111,864.20 - Step 4: Simplify right side
135,192.20x = 22,652,131,348.14 - Step 5: Solve for x
x = 22,652,131,348.14/135,192.20 - Step 6: Final answer
x = 167,555.02
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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.