Finding the Fourth Proportional to 134,474.85, 185,567.99 and 74,034.03
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Solution
The fourth proportional to 134,474.85, 185,567.99 and 74,034.03 is: 102,162.94
Step by Step Solution
- Step 1: Write the proportion equation
134,474.85 : 185,567.99 = 74,034.03 : x - Step 2: Convert to fraction form
134,474.85/185,567.99 = 74,034.03/x - Step 3: Cross multiply
134,474.85x = 185,567.99 × 74,034.03 - Step 4: Simplify right side
134,474.85x = 13,738,346,138.70 - Step 5: Solve for x
x = 13,738,346,138.70/134,474.85 - Step 6: Final answer
x = 102,162.94
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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.