Finding the Fourth Proportional to 126,219.08, 174,170.21 and 69,626.81
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Solution
The fourth proportional to 126,219.08, 174,170.21 and 69,626.81 is: 96,078.31
Step by Step Solution
- Step 1: Write the proportion equation
126,219.08 : 174,170.21 = 69,626.81 : x - Step 2: Convert to fraction form
126,219.08/174,170.21 = 69,626.81/x - Step 3: Cross multiply
126,219.08x = 174,170.21 × 69,626.81 - Step 4: Simplify right side
126,219.08x = 12,126,916,206.62 - Step 5: Solve for x
x = 12,126,916,206.62/126,219.08 - Step 6: Final answer
x = 96,078.31
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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.