Finding the Fourth Proportional to 149,166.42, 205,450.44 and 129,024.14
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Solution
The fourth proportional to 149,166.42, 205,450.44 and 129,024.14 is: 177,708.00
Step by Step Solution
- Step 1: Write the proportion equation
149,166.42 : 205,450.44 = 129,024.14 : x - Step 2: Convert to fraction form
149,166.42/205,450.44 = 129,024.14/x - Step 3: Cross multiply
149,166.42x = 205,450.44 × 129,024.14 - Step 4: Simplify right side
149,166.42x = 26,508,066,333.62 - Step 5: Solve for x
x = 26,508,066,333.62/149,166.42 - Step 6: Final answer
x = 177,708.00
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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.