Finding the Fourth Proportional to 139,504.36, 192,558.18 and 94,818.28
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Solution
The fourth proportional to 139,504.36, 192,558.18 and 94,818.28 is: 130,877.88
Step by Step Solution
- Step 1: Write the proportion equation
139,504.36 : 192,558.18 = 94,818.28 : x - Step 2: Convert to fraction form
139,504.36/192,558.18 = 94,818.28/x - Step 3: Cross multiply
139,504.36x = 192,558.18 × 94,818.28 - Step 4: Simplify right side
139,504.36x = 18,258,035,427.53 - Step 5: Solve for x
x = 18,258,035,427.53/139,504.36 - Step 6: Final answer
x = 130,877.88
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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.