Finding the Fourth Proportional to 150,125.70, 207,171.92 and 83,058.18
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Solution
The fourth proportional to 150,125.70, 207,171.92 and 83,058.18 is: 114,619.43
Step by Step Solution
- Step 1: Write the proportion equation
150,125.70 : 207,171.92 = 83,058.18 : x - Step 2: Convert to fraction form
150,125.70/207,171.92 = 83,058.18/x - Step 3: Cross multiply
150,125.70x = 207,171.92 × 83,058.18 - Step 4: Simplify right side
150,125.70x = 17,207,322,622.31 - Step 5: Solve for x
x = 17,207,322,622.31/150,125.70 - Step 6: Final answer
x = 114,619.43
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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.