Finding the Fourth Proportional to 133,732.94, 184,570.36 and 82,762.09
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Solution
The fourth proportional to 133,732.94, 184,570.36 and 82,762.09 is: 114,223.38
Step by Step Solution
- Step 1: Write the proportion equation
133,732.94 : 184,570.36 = 82,762.09 : x - Step 2: Convert to fraction form
133,732.94/184,570.36 = 82,762.09/x - Step 3: Cross multiply
133,732.94x = 184,570.36 × 82,762.09 - Step 4: Simplify right side
133,732.94x = 15,275,428,745.65 - Step 5: Solve for x
x = 15,275,428,745.65/133,732.94 - Step 6: Final answer
x = 114,223.38
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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.