Finding the Fourth Proportional to 126,540.36, 174,620.28 and 69,178.62
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Solution
The fourth proportional to 126,540.36, 174,620.28 and 69,178.62 is: 95,463.53
Step by Step Solution
- Step 1: Write the proportion equation
126,540.36 : 174,620.28 = 69,178.62 : x - Step 2: Convert to fraction form
126,540.36/174,620.28 = 69,178.62/x - Step 3: Cross multiply
126,540.36x = 174,620.28 × 69,178.62 - Step 4: Simplify right side
126,540.36x = 12,079,989,994.41 - Step 5: Solve for x
x = 12,079,989,994.41/126,540.36 - Step 6: Final answer
x = 95,463.53
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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.