Finding the Fourth Proportional to 125,156.05, 186,617.66 and 111,246.73
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Solution
The fourth proportional to 125,156.05, 186,617.66 and 111,246.73 is: 165,877.75
Step by Step Solution
- Step 1: Write the proportion equation
125,156.05 : 186,617.66 = 111,246.73 : x - Step 2: Convert to fraction form
125,156.05/186,617.66 = 111,246.73/x - Step 3: Cross multiply
125,156.05x = 186,617.66 × 111,246.73 - Step 4: Simplify right side
125,156.05x = 20,760,604,435.25 - Step 5: Solve for x
x = 20,760,604,435.25/125,156.05 - Step 6: Final answer
x = 165,877.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.