Finding the Fourth Proportional to 125,543.80, 188,315.70 and 119,711.80
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Solution
The fourth proportional to 125,543.80, 188,315.70 and 119,711.80 is: 179,567.70
Step by Step Solution
- Step 1: Write the proportion equation
125,543.80 : 188,315.70 = 119,711.80 : x - Step 2: Convert to fraction form
125,543.80/188,315.70 = 119,711.80/x - Step 3: Cross multiply
125,543.80x = 188,315.70 × 119,711.80 - Step 4: Simplify right side
125,543.80x = 22,543,611,415.26 - Step 5: Solve for x
x = 22,543,611,415.26/125,543.80 - Step 6: Final answer
x = 179,567.70
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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.