Finding the Fourth Proportional to 155,751.73, 214,937.48 and 84,131.75
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Solution
The fourth proportional to 155,751.73, 214,937.48 and 84,131.75 is: 116,101.86
Step by Step Solution
- Step 1: Write the proportion equation
155,751.73 : 214,937.48 = 84,131.75 : x - Step 2: Convert to fraction form
155,751.73/214,937.48 = 84,131.75/x - Step 3: Cross multiply
155,751.73x = 214,937.48 × 84,131.75 - Step 4: Simplify right side
155,751.73x = 18,083,064,837.64 - Step 5: Solve for x
x = 18,083,064,837.64/155,751.73 - Step 6: Final answer
x = 116,101.86
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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.