Finding the Fourth Proportional to 125,975.71, 173,846.46 and 69,387.09
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Solution
The fourth proportional to 125,975.71, 173,846.46 and 69,387.09 is: 95,754.17
Step by Step Solution
- Step 1: Write the proportion equation
125,975.71 : 173,846.46 = 69,387.09 : x - Step 2: Convert to fraction form
125,975.71/173,846.46 = 69,387.09/x - Step 3: Cross multiply
125,975.71x = 173,846.46 × 69,387.09 - Step 4: Simplify right side
125,975.71x = 12,062,699,574.48 - Step 5: Solve for x
x = 12,062,699,574.48/125,975.71 - Step 6: Final answer
x = 95,754.17
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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.