Finding the Fourth Proportional to 155,754.04, 214,940.65 and 84,134.05
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Solution
The fourth proportional to 155,754.04, 214,940.65 and 84,134.05 is: 116,105.03
Step by Step Solution
- Step 1: Write the proportion equation
155,754.04 : 214,940.65 = 84,134.05 : x - Step 2: Convert to fraction form
155,754.04/214,940.65 = 84,134.05/x - Step 3: Cross multiply
155,754.04x = 214,940.65 × 84,134.05 - Step 4: Simplify right side
155,754.04x = 18,083,827,394.13 - Step 5: Solve for x
x = 18,083,827,394.13/155,754.04 - Step 6: Final answer
x = 116,105.03
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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.