Finding the Fourth Proportional to 155,762.08, 214,951.52 and 84,142.08
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Solution
The fourth proportional to 155,762.08, 214,951.52 and 84,142.08 is: 116,115.99
Step by Step Solution
- Step 1: Write the proportion equation
155,762.08 : 214,951.52 = 84,142.08 : x - Step 2: Convert to fraction form
155,762.08/214,951.52 = 84,142.08/x - Step 3: Cross multiply
155,762.08x = 214,951.52 × 84,142.08 - Step 4: Simplify right side
155,762.08x = 18,086,467,991.96 - Step 5: Solve for x
x = 18,086,467,991.96/155,762.08 - Step 6: Final answer
x = 116,115.99
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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.