Finding the Fourth Proportional to 155,787.08, 214,986.26 and 84,167.08
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Solution
The fourth proportional to 155,787.08, 214,986.26 and 84,167.08 is: 116,150.62
Step by Step Solution
- Step 1: Write the proportion equation
155,787.08 : 214,986.26 = 84,167.08 : x - Step 2: Convert to fraction form
155,787.08/214,986.26 = 84,167.08/x - Step 3: Cross multiply
155,787.08x = 214,986.26 × 84,167.08 - Step 4: Simplify right side
155,787.08x = 18,094,765,744.32 - Step 5: Solve for x
x = 18,094,765,744.32/155,787.08 - Step 6: Final answer
x = 116,150.62
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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.