Finding the Fourth Proportional to 134,850.10, 202,275.15 and 85,083.70
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Solution
The fourth proportional to 134,850.10, 202,275.15 and 85,083.70 is: 127,625.55
Step by Step Solution
- Step 1: Write the proportion equation
134,850.10 : 202,275.15 = 85,083.70 : x - Step 2: Convert to fraction form
134,850.10/202,275.15 = 85,083.70/x - Step 3: Cross multiply
134,850.10x = 202,275.15 × 85,083.70 - Step 4: Simplify right side
134,850.10x = 17,210,318,180.06 - Step 5: Solve for x
x = 17,210,318,180.06/134,850.10 - Step 6: Final answer
x = 127,625.55
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1.5x scale
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.