Finding the Fourth Proportional to 125,625.80, 188,438.70 and 32,126.60
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Solution
The fourth proportional to 125,625.80, 188,438.70 and 32,126.60 is: 48,189.90
Step by Step Solution
- Step 1: Write the proportion equation
125,625.80 : 188,438.70 = 32,126.60 : x - Step 2: Convert to fraction form
125,625.80/188,438.70 = 32,126.60/x - Step 3: Cross multiply
125,625.80x = 188,438.70 × 32,126.60 - Step 4: Simplify right side
125,625.80x = 6,053,894,739.42 - Step 5: Solve for x
x = 6,053,894,739.42/125,625.80 - Step 6: Final answer
x = 48,189.90
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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.