Finding the Fourth Proportional to 125,750.80, 188,844.90 and 66,701.80
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Solution
The fourth proportional to 125,750.80, 188,844.90 and 66,701.80 is: 100,168.70
Step by Step Solution
- Step 1: Write the proportion equation
125,750.80 : 188,844.90 = 66,701.80 : x - Step 2: Convert to fraction form
125,750.80/188,844.90 = 66,701.80/x - Step 3: Cross multiply
125,750.80x = 188,844.90 × 66,701.80 - Step 4: Simplify right side
125,750.80x = 12,596,294,750.82 - Step 5: Solve for x
x = 12,596,294,750.82/125,750.80 - Step 6: Final answer
x = 100,168.70
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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.