Finding the Fourth Proportional to 126,328.68, 174,329.01 and 69,738.84
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Solution
The fourth proportional to 126,328.68, 174,329.01 and 69,738.84 is: 96,237.08
Step by Step Solution
- Step 1: Write the proportion equation
126,328.68 : 174,329.01 = 69,738.84 : x - Step 2: Convert to fraction form
126,328.68/174,329.01 = 69,738.84/x - Step 3: Cross multiply
126,328.68x = 174,329.01 × 69,738.84 - Step 4: Simplify right side
126,328.68x = 12,157,502,935.75 - Step 5: Solve for x
x = 12,157,502,935.75/126,328.68 - Step 6: Final answer
x = 96,237.08
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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.