Finding the Fourth Proportional to 126,178.92, 174,126.96 and 69,593.94
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Solution
The fourth proportional to 126,178.92, 174,126.96 and 69,593.94 is: 96,039.66
Step by Step Solution
- Step 1: Write the proportion equation
126,178.92 : 174,126.96 = 69,593.94 : x - Step 2: Convert to fraction form
126,178.92/174,126.96 = 69,593.94/x - Step 3: Cross multiply
126,178.92x = 174,126.96 × 69,593.94 - Step 4: Simplify right side
126,178.92x = 12,118,181,206.62 - Step 5: Solve for x
x = 12,118,181,206.62/126,178.92 - Step 6: Final answer
x = 96,039.66
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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.