Finding the Fourth Proportional to 125,675.14, 188,515.14 and 100,598.80
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Solution
The fourth proportional to 125,675.14, 188,515.14 and 100,598.80 is: 150,900.15
Step by Step Solution
- Step 1: Write the proportion equation
125,675.14 : 188,515.14 = 100,598.80 : x - Step 2: Convert to fraction form
125,675.14/188,515.14 = 100,598.80/x - Step 3: Cross multiply
125,675.14x = 188,515.14 × 100,598.80 - Step 4: Simplify right side
125,675.14x = 18,964,396,865.83 - Step 5: Solve for x
x = 18,964,396,865.83/125,675.14 - Step 6: Final answer
x = 150,900.15
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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.