Finding the Fourth Proportional to 125,503.67, 173,130.90 and 80,133.95
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Solution
The fourth proportional to 125,503.67, 173,130.90 and 80,133.95 is: 110,543.88
Step by Step Solution
- Step 1: Write the proportion equation
125,503.67 : 173,130.90 = 80,133.95 : x - Step 2: Convert to fraction form
125,503.67/173,130.90 = 80,133.95/x - Step 3: Cross multiply
125,503.67x = 173,130.90 × 80,133.95 - Step 4: Simplify right side
125,503.67x = 13,873,662,884.06 - Step 5: Solve for x
x = 13,873,662,884.06/125,503.67 - Step 6: Final answer
x = 110,543.88
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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.