Finding the Fourth Proportional to 126,204.38, 174,165.33 and 68,844.68
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Solution
The fourth proportional to 126,204.38, 174,165.33 and 68,844.68 is: 95,007.45
Step by Step Solution
- Step 1: Write the proportion equation
126,204.38 : 174,165.33 = 68,844.68 : x - Step 2: Convert to fraction form
126,204.38/174,165.33 = 68,844.68/x - Step 3: Cross multiply
126,204.38x = 174,165.33 × 68,844.68 - Step 4: Simplify right side
126,204.38x = 11,990,356,410.94 - Step 5: Solve for x
x = 11,990,356,410.94/126,204.38 - Step 6: Final answer
x = 95,007.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.