Finding the Fourth Proportional to 125,339.31, 188,169.21 and 107,682.93
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Solution
The fourth proportional to 125,339.31, 188,169.21 and 107,682.93 is: 161,662.07
Step by Step Solution
- Step 1: Write the proportion equation
125,339.31 : 188,169.21 = 107,682.93 : x - Step 2: Convert to fraction form
125,339.31/188,169.21 = 107,682.93/x - Step 3: Cross multiply
125,339.31x = 188,169.21 × 107,682.93 - Step 4: Simplify right side
125,339.31x = 20,262,611,868.59 - Step 5: Solve for x
x = 20,262,611,868.59/125,339.31 - Step 6: Final answer
x = 161,662.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.