Finding the Fourth Proportional to 126,975.99, 175,244.72 and 78,593.44
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Solution
The fourth proportional to 126,975.99, 175,244.72 and 78,593.44 is: 108,469.99
Step by Step Solution
- Step 1: Write the proportion equation
126,975.99 : 175,244.72 = 78,593.44 : x - Step 2: Convert to fraction form
126,975.99/175,244.72 = 78,593.44/x - Step 3: Cross multiply
126,975.99x = 175,244.72 × 78,593.44 - Step 4: Simplify right side
126,975.99x = 13,773,084,144.83 - Step 5: Solve for x
x = 13,773,084,144.83/126,975.99 - Step 6: Final answer
x = 108,469.99
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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.