Finding the Fourth Proportional to 133,361.28, 183,898.08 and 82,972.80
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Solution
The fourth proportional to 133,361.28, 183,898.08 and 82,972.80 is: 114,415.06
Step by Step Solution
- Step 1: Write the proportion equation
133,361.28 : 183,898.08 = 82,972.80 : x - Step 2: Convert to fraction form
133,361.28/183,898.08 = 82,972.80/x - Step 3: Cross multiply
133,361.28x = 183,898.08 × 82,972.80 - Step 4: Simplify right side
133,361.28x = 15,258,538,612.22 - Step 5: Solve for x
x = 15,258,538,612.22/133,361.28 - Step 6: Final answer
x = 114,415.06
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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.