Finding the Fourth Proportional to 145,734.66, 201,117.51 and 82,074.60
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Solution
The fourth proportional to 145,734.66, 201,117.51 and 82,074.60 is: 113,265.02
Step by Step Solution
- Step 1: Write the proportion equation
145,734.66 : 201,117.51 = 82,074.60 : x - Step 2: Convert to fraction form
145,734.66/201,117.51 = 82,074.60/x - Step 3: Cross multiply
145,734.66x = 201,117.51 × 82,074.60 - Step 4: Simplify right side
145,734.66x = 16,506,639,186.25 - Step 5: Solve for x
x = 16,506,639,186.25/145,734.66 - Step 6: Final answer
x = 113,265.02
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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.