Finding the Fourth Proportional to 178,787.06, 246,623.00 and 107,125.56
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Solution
The fourth proportional to 178,787.06, 246,623.00 and 107,125.56 is: 147,771.47
Step by Step Solution
- Step 1: Write the proportion equation
178,787.06 : 246,623.00 = 107,125.56 : x - Step 2: Convert to fraction form
178,787.06/246,623.00 = 107,125.56/x - Step 3: Cross multiply
178,787.06x = 246,623.00 × 107,125.56 - Step 4: Simplify right side
178,787.06x = 26,419,626,448.25 - Step 5: Solve for x
x = 26,419,626,448.25/178,787.06 - Step 6: Final answer
x = 147,771.47
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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.