Finding the Fourth Proportional to 150,137.84, 207,193.24 and 83,070.96
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Solution
The fourth proportional to 150,137.84, 207,193.24 and 83,070.96 is: 114,639.60
Step by Step Solution
- Step 1: Write the proportion equation
150,137.84 : 207,193.24 = 83,070.96 : x - Step 2: Convert to fraction form
150,137.84/207,193.24 = 83,070.96/x - Step 3: Cross multiply
150,137.84x = 207,193.24 × 83,070.96 - Step 4: Simplify right side
150,137.84x = 17,211,741,352.31 - Step 5: Solve for x
x = 17,211,741,352.31/150,137.84 - Step 6: Final answer
x = 114,639.60
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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.