Finding the Fourth Proportional to 129,041.80, 193,524.30 and 50,110.60
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Solution
The fourth proportional to 129,041.80, 193,524.30 and 50,110.60 is: 75,150.99
Step by Step Solution
- Step 1: Write the proportion equation
129,041.80 : 193,524.30 = 50,110.60 : x - Step 2: Convert to fraction form
129,041.80/193,524.30 = 50,110.60/x - Step 3: Cross multiply
129,041.80x = 193,524.30 × 50,110.60 - Step 4: Simplify right side
129,041.80x = 9,697,618,787.58 - Step 5: Solve for x
x = 9,697,618,787.58/129,041.80 - Step 6: Final answer
x = 75,150.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.