Finding the Fourth Proportional to 155,750.62, 214,935.94 and 84,130.64
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Solution
The fourth proportional to 155,750.62, 214,935.94 and 84,130.64 is: 116,100.33
Step by Step Solution
- Step 1: Write the proportion equation
155,750.62 : 214,935.94 = 84,130.64 : x - Step 2: Convert to fraction form
155,750.62/214,935.94 = 84,130.64/x - Step 3: Cross multiply
155,750.62x = 214,935.94 × 84,130.64 - Step 4: Simplify right side
155,750.62x = 18,082,699,312.70 - Step 5: Solve for x
x = 18,082,699,312.70/155,750.62 - Step 6: Final answer
x = 116,100.33
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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.