Finding the Fourth Proportional to 133,481.13, 184,202.53 and 76,129.82
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Solution
The fourth proportional to 133,481.13, 184,202.53 and 76,129.82 is: 105,058.34
Step by Step Solution
- Step 1: Write the proportion equation
133,481.13 : 184,202.53 = 76,129.82 : x - Step 2: Convert to fraction form
133,481.13/184,202.53 = 76,129.82/x - Step 3: Cross multiply
133,481.13x = 184,202.53 × 76,129.82 - Step 4: Simplify right side
133,481.13x = 14,023,305,452.44 - Step 5: Solve for x
x = 14,023,305,452.44/133,481.13 - Step 6: Final answer
x = 105,058.34
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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.