Finding the Fourth Proportional to 126,313.83, 174,314.30 and 69,723.99
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Solution
The fourth proportional to 126,313.83, 174,314.30 and 69,723.99 is: 96,219.77
Step by Step Solution
- Step 1: Write the proportion equation
126,313.83 : 174,314.30 = 69,723.99 : x - Step 2: Convert to fraction form
126,313.83/174,314.30 = 69,723.99/x - Step 3: Cross multiply
126,313.83x = 174,314.30 × 69,723.99 - Step 4: Simplify right side
126,313.83x = 12,153,888,161.44 - Step 5: Solve for x
x = 12,153,888,161.44/126,313.83 - Step 6: Final answer
x = 96,219.77
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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.