Finding the Fourth Proportional to 133,782.12, 184,627.62 and 74,166.12
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Solution
The fourth proportional to 133,782.12, 184,627.62 and 74,166.12 is: 102,353.84
Step by Step Solution
- Step 1: Write the proportion equation
133,782.12 : 184,627.62 = 74,166.12 : x - Step 2: Convert to fraction form
133,782.12/184,627.62 = 74,166.12/x - Step 3: Cross multiply
133,782.12x = 184,627.62 × 74,166.12 - Step 4: Simplify right side
133,782.12x = 13,693,114,220.23 - Step 5: Solve for x
x = 13,693,114,220.23/133,782.12 - Step 6: Final answer
x = 102,353.84
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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.