Finding the Fourth Proportional to 133,782.36, 184,466.94 and 106,906.44
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Solution
The fourth proportional to 133,782.36, 184,466.94 and 106,906.44 is: 147,408.85
Step by Step Solution
- Step 1: Write the proportion equation
133,782.36 : 184,466.94 = 106,906.44 : x - Step 2: Convert to fraction form
133,782.36/184,466.94 = 106,906.44/x - Step 3: Cross multiply
133,782.36x = 184,466.94 × 106,906.44 - Step 4: Simplify right side
133,782.36x = 19,720,703,853.09 - Step 5: Solve for x
x = 19,720,703,853.09/133,782.36 - Step 6: Final answer
x = 147,408.85
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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.