Finding the Fourth Proportional to 150,635.97, 207,868.68 and 86,112.18
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Solution
The fourth proportional to 150,635.97, 207,868.68 and 86,112.18 is: 118,829.69
Step by Step Solution
- Step 1: Write the proportion equation
150,635.97 : 207,868.68 = 86,112.18 : x - Step 2: Convert to fraction form
150,635.97/207,868.68 = 86,112.18/x - Step 3: Cross multiply
150,635.97x = 207,868.68 × 86,112.18 - Step 4: Simplify right side
150,635.97x = 17,900,025,188.52 - Step 5: Solve for x
x = 17,900,025,188.52/150,635.97 - Step 6: Final answer
x = 118,829.69
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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.