Finding the Fourth Proportional to 125,533.52, 173,236.68 and 68,943.44
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Solution
The fourth proportional to 125,533.52, 173,236.68 and 68,943.44 is: 95,142.18
Step by Step Solution
- Step 1: Write the proportion equation
125,533.52 : 173,236.68 = 68,943.44 : x - Step 2: Convert to fraction form
125,533.52/173,236.68 = 68,943.44/x - Step 3: Cross multiply
125,533.52x = 173,236.68 × 68,943.44 - Step 4: Simplify right side
125,533.52x = 11,943,532,653.38 - Step 5: Solve for x
x = 11,943,532,653.38/125,533.52 - Step 6: Final answer
x = 95,142.18
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1.5x scale
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.