Finding the Fourth Proportional to 125,627.88, 173,367.14 and 68,267.65
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Solution
The fourth proportional to 125,627.88, 173,367.14 and 68,267.65 is: 94,209.72
Step by Step Solution
- Step 1: Write the proportion equation
125,627.88 : 173,367.14 = 68,267.65 : x - Step 2: Convert to fraction form
125,627.88/173,367.14 = 68,267.65/x - Step 3: Cross multiply
125,627.88x = 173,367.14 × 68,267.65 - Step 4: Simplify right side
125,627.88x = 11,835,367,235.02 - Step 5: Solve for x
x = 11,835,367,235.02/125,627.88 - Step 6: Final answer
x = 94,209.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.