Finding the Fourth Proportional to 125,478.37, 173,160.28 and 68,117.66
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Solution
The fourth proportional to 125,478.37, 173,160.28 and 68,117.66 is: 94,002.44
Step by Step Solution
- Step 1: Write the proportion equation
125,478.37 : 173,160.28 = 68,117.66 : x - Step 2: Convert to fraction form
125,478.37/173,160.28 = 68,117.66/x - Step 3: Cross multiply
125,478.37x = 173,160.28 × 68,117.66 - Step 4: Simplify right side
125,478.37x = 11,795,272,947.24 - Step 5: Solve for x
x = 11,795,272,947.24/125,478.37 - Step 6: Final answer
x = 94,002.44
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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.