Finding the Fourth Proportional to 136,750.40, 205,125.60 and 113,710.40
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Solution
The fourth proportional to 136,750.40, 205,125.60 and 113,710.40 is: 170,565.60
Step by Step Solution
- Step 1: Write the proportion equation
136,750.40 : 205,125.60 = 113,710.40 : x - Step 2: Convert to fraction form
136,750.40/205,125.60 = 113,710.40/x - Step 3: Cross multiply
136,750.40x = 205,125.60 × 113,710.40 - Step 4: Simplify right side
136,750.40x = 23,324,914,026.24 - Step 5: Solve for x
x = 23,324,914,026.24/136,750.40 - Step 6: Final answer
x = 170,565.60
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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.