Finding the Fourth Proportional to 126,903.14, 175,144.98 and 73,177.66
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Solution
The fourth proportional to 126,903.14, 175,144.98 and 73,177.66 is: 100,995.92
Step by Step Solution
- Step 1: Write the proportion equation
126,903.14 : 175,144.98 = 73,177.66 : x - Step 2: Convert to fraction form
126,903.14/175,144.98 = 73,177.66/x - Step 3: Cross multiply
126,903.14x = 175,144.98 × 73,177.66 - Step 4: Simplify right side
126,903.14x = 12,816,699,797.15 - Step 5: Solve for x
x = 12,816,699,797.15/126,903.14 - Step 6: Final answer
x = 100,995.92
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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.