Finding the Fourth Proportional to 126,149.81, 189,192.43 and 37,382.59
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Solution
The fourth proportional to 126,149.81, 189,192.43 and 37,382.59 is: 56,064.32
Step by Step Solution
- Step 1: Write the proportion equation
126,149.81 : 189,192.43 = 37,382.59 : x - Step 2: Convert to fraction form
126,149.81/189,192.43 = 37,382.59/x - Step 3: Cross multiply
126,149.81x = 189,192.43 × 37,382.59 - Step 4: Simplify right side
126,149.81x = 7,072,502,898.05 - Step 5: Solve for x
x = 7,072,502,898.05/126,149.81 - Step 6: Final answer
x = 56,064.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.