Finding the Fourth Proportional to 145,712.74, 201,102.73 and 82,062.98
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Solution
The fourth proportional to 145,712.74, 201,102.73 and 82,062.98 is: 113,257.70
Step by Step Solution
- Step 1: Write the proportion equation
145,712.74 : 201,102.73 = 82,062.98 : x - Step 2: Convert to fraction form
145,712.74/201,102.73 = 82,062.98/x - Step 3: Cross multiply
145,712.74x = 201,102.73 × 82,062.98 - Step 4: Simplify right side
145,712.74x = 16,503,089,309.94 - Step 5: Solve for x
x = 16,503,089,309.94/145,712.74 - Step 6: Final answer
x = 113,257.70
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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.