Finding the Fourth Proportional to 126,113.64, 174,043.26 and 69,524.88
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Solution
The fourth proportional to 126,113.64, 174,043.26 and 69,524.88 is: 95,947.88
Step by Step Solution
- Step 1: Write the proportion equation
126,113.64 : 174,043.26 = 69,524.88 : x - Step 2: Convert to fraction form
126,113.64/174,043.26 = 69,524.88/x - Step 3: Cross multiply
126,113.64x = 174,043.26 × 69,524.88 - Step 4: Simplify right side
126,113.64x = 12,100,336,766.31 - Step 5: Solve for x
x = 12,100,336,766.31/126,113.64 - Step 6: Final answer
x = 95,947.88
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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.