Finding the Fourth Proportional to 126,112.98, 174,037.12 and 69,526.38
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Solution
The fourth proportional to 126,112.98, 174,037.12 and 69,526.38 is: 95,947.07
Step by Step Solution
- Step 1: Write the proportion equation
126,112.98 : 174,037.12 = 69,526.38 : x - Step 2: Convert to fraction form
126,112.98/174,037.12 = 69,526.38/x - Step 3: Cross multiply
126,112.98x = 174,037.12 × 69,526.38 - Step 4: Simplify right side
126,112.98x = 12,100,170,939.23 - Step 5: Solve for x
x = 12,100,170,939.23/126,112.98 - Step 6: Final answer
x = 95,947.07
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1.5x scale
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.