Finding the Fourth Proportional to 129,014.80, 193,507.68 and 44,759.44
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Solution
The fourth proportional to 129,014.80, 193,507.68 and 44,759.44 is: 67,134.12
Step by Step Solution
- Step 1: Write the proportion equation
129,014.80 : 193,507.68 = 44,759.44 : x - Step 2: Convert to fraction form
129,014.80/193,507.68 = 44,759.44/x - Step 3: Cross multiply
129,014.80x = 193,507.68 × 44,759.44 - Step 4: Simplify right side
129,014.80x = 8,661,295,392.50 - Step 5: Solve for x
x = 8,661,295,392.50/129,014.80 - Step 6: Final answer
x = 67,134.12
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1.5x scale
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.