Finding the Fourth Proportional to 126,206.44, 174,164.90 and 69,617.96
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Solution
The fourth proportional to 126,206.44, 174,164.90 and 69,617.96 is: 96,072.79
Step by Step Solution
- Step 1: Write the proportion equation
126,206.44 : 174,164.90 = 69,617.96 : x - Step 2: Convert to fraction form
126,206.44/174,164.90 = 69,617.96/x - Step 3: Cross multiply
126,206.44x = 174,164.90 × 69,617.96 - Step 4: Simplify right side
126,206.44x = 12,125,005,041.60 - Step 5: Solve for x
x = 12,125,005,041.60/126,206.44 - Step 6: Final answer
x = 96,072.79
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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.