Finding the Fourth Proportional to 125,576.63, 173,295.81 and 68,991.65
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Solution
The fourth proportional to 125,576.63, 173,295.81 and 68,991.65 is: 95,208.51
Step by Step Solution
- Step 1: Write the proportion equation
125,576.63 : 173,295.81 = 68,991.65 : x - Step 2: Convert to fraction form
125,576.63/173,295.81 = 68,991.65/x - Step 3: Cross multiply
125,576.63x = 173,295.81 × 68,991.65 - Step 4: Simplify right side
125,576.63x = 11,955,963,869.99 - Step 5: Solve for x
x = 11,955,963,869.99/125,576.63 - Step 6: Final answer
x = 95,208.51
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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.