Finding the Fourth Proportional to 125,975.36, 173,846.40 and 69,386.88
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Solution
The fourth proportional to 125,975.36, 173,846.40 and 69,386.88 is: 95,754.12
Step by Step Solution
- Step 1: Write the proportion equation
125,975.36 : 173,846.40 = 69,386.88 : x - Step 2: Convert to fraction form
125,975.36/173,846.40 = 69,386.88/x - Step 3: Cross multiply
125,975.36x = 173,846.40 × 69,386.88 - Step 4: Simplify right side
125,975.36x = 12,062,659,295.23 - Step 5: Solve for x
x = 12,062,659,295.23/125,975.36 - Step 6: Final answer
x = 95,754.12
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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.