Finding the Fourth Proportional to 125,519.54, 188,221.88 and 74,941.52
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Solution
The fourth proportional to 125,519.54, 188,221.88 and 74,941.52 is: 112,377.99
Step by Step Solution
- Step 1: Write the proportion equation
125,519.54 : 188,221.88 = 74,941.52 : x - Step 2: Convert to fraction form
125,519.54/188,221.88 = 74,941.52/x - Step 3: Cross multiply
125,519.54x = 188,221.88 × 74,941.52 - Step 4: Simplify right side
125,519.54x = 14,105,632,468.64 - Step 5: Solve for x
x = 14,105,632,468.64/125,519.54 - Step 6: Final answer
x = 112,377.99
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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.