Finding the Fourth Proportional to 126,249.06, 174,227.32 and 69,664.08
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Solution
The fourth proportional to 126,249.06, 174,227.32 and 69,664.08 is: 96,138.43
Step by Step Solution
- Step 1: Write the proportion equation
126,249.06 : 174,227.32 = 69,664.08 : x - Step 2: Convert to fraction form
126,249.06/174,227.32 = 69,664.08/x - Step 3: Cross multiply
126,249.06x = 174,227.32 × 69,664.08 - Step 4: Simplify right side
126,249.06x = 12,137,386,699.10 - Step 5: Solve for x
x = 12,137,386,699.10/126,249.06 - Step 6: Final answer
x = 96,138.43
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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.