Finding the Fourth Proportional to 134,168.70, 185,170.36 and 86,560.52
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Solution
The fourth proportional to 134,168.70, 185,170.36 and 86,560.52 is: 119,464.84
Step by Step Solution
- Step 1: Write the proportion equation
134,168.70 : 185,170.36 = 86,560.52 : x - Step 2: Convert to fraction form
134,168.70/185,170.36 = 86,560.52/x - Step 3: Cross multiply
134,168.70x = 185,170.36 × 86,560.52 - Step 4: Simplify right side
134,168.70x = 16,028,442,650.19 - Step 5: Solve for x
x = 16,028,442,650.19/134,168.70 - Step 6: Final answer
x = 119,464.84
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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.