Finding the Fourth Proportional to 126,837.36, 175,035.12 and 73,122.12
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Solution
The fourth proportional to 126,837.36, 175,035.12 and 73,122.12 is: 100,908.27
Step by Step Solution
- Step 1: Write the proportion equation
126,837.36 : 175,035.12 = 73,122.12 : x - Step 2: Convert to fraction form
126,837.36/175,035.12 = 73,122.12/x - Step 3: Cross multiply
126,837.36x = 175,035.12 × 73,122.12 - Step 4: Simplify right side
126,837.36x = 12,798,939,048.85 - Step 5: Solve for x
x = 12,798,939,048.85/126,837.36 - Step 6: Final answer
x = 100,908.27
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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.