Finding the Fourth Proportional to 139,373.43, 192,335.85 and 82,014.99
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Solution
The fourth proportional to 139,373.43, 192,335.85 and 82,014.99 is: 113,180.99
Step by Step Solution
- Step 1: Write the proportion equation
139,373.43 : 192,335.85 = 82,014.99 : x - Step 2: Convert to fraction form
139,373.43/192,335.85 = 82,014.99/x - Step 3: Cross multiply
139,373.43x = 192,335.85 × 82,014.99 - Step 4: Simplify right side
139,373.43x = 15,774,422,814.39 - Step 5: Solve for x
x = 15,774,422,814.39/139,373.43 - Step 6: Final answer
x = 113,180.99
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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.