Finding the Fourth Proportional to 146,364.99, 201,981.05 and 82,701.42
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Solution
The fourth proportional to 146,364.99, 201,981.05 and 82,701.42 is: 114,126.47
Step by Step Solution
- Step 1: Write the proportion equation
146,364.99 : 201,981.05 = 82,701.42 : x - Step 2: Convert to fraction form
146,364.99/201,981.05 = 82,701.42/x - Step 3: Cross multiply
146,364.99x = 201,981.05 × 82,701.42 - Step 4: Simplify right side
146,364.99x = 16,704,119,648.09 - Step 5: Solve for x
x = 16,704,119,648.09/146,364.99 - Step 6: Final answer
x = 114,126.47
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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.