Finding the Fourth Proportional to 125,406.26, 173,053.74 and 68,813.18
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Solution
The fourth proportional to 125,406.26, 173,053.74 and 68,813.18 is: 94,958.40
Step by Step Solution
- Step 1: Write the proportion equation
125,406.26 : 173,053.74 = 68,813.18 : x - Step 2: Convert to fraction form
125,406.26/173,053.74 = 68,813.18/x - Step 3: Cross multiply
125,406.26x = 173,053.74 × 68,813.18 - Step 4: Simplify right side
125,406.26x = 11,908,378,160.29 - Step 5: Solve for x
x = 11,908,378,160.29/125,406.26 - Step 6: Final answer
x = 94,958.40
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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.