Finding the Fourth Proportional to 146,365.25, 201,981.40 and 82,701.68
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Solution
The fourth proportional to 146,365.25, 201,981.40 and 82,701.68 is: 114,126.82
Step by Step Solution
- Step 1: Write the proportion equation
146,365.25 : 201,981.40 = 82,701.68 : x - Step 2: Convert to fraction form
146,365.25/201,981.40 = 82,701.68/x - Step 3: Cross multiply
146,365.25x = 201,981.40 × 82,701.68 - Step 4: Simplify right side
146,365.25x = 16,704,201,108.75 - Step 5: Solve for x
x = 16,704,201,108.75/146,365.25 - Step 6: Final answer
x = 114,126.82
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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.