Finding the Fourth Proportional to 134,903.82, 202,185.60 and 68,360.70
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Solution
The fourth proportional to 134,903.82, 202,185.60 and 68,360.70 is: 102,454.84
Step by Step Solution
- Step 1: Write the proportion equation
134,903.82 : 202,185.60 = 68,360.70 : x - Step 2: Convert to fraction form
134,903.82/202,185.60 = 68,360.70/x - Step 3: Cross multiply
134,903.82x = 202,185.60 × 68,360.70 - Step 4: Simplify right side
134,903.82x = 13,821,549,145.92 - Step 5: Solve for x
x = 13,821,549,145.92/134,903.82 - Step 6: Final answer
x = 102,454.84
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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.