Finding the Fourth Proportional to 146,043.08, 201,540.99 and 81,518.48
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Solution
The fourth proportional to 146,043.08, 201,540.99 and 81,518.48 is: 112,496.36
Step by Step Solution
- Step 1: Write the proportion equation
146,043.08 : 201,540.99 = 81,518.48 : x - Step 2: Convert to fraction form
146,043.08/201,540.99 = 81,518.48/x - Step 3: Cross multiply
146,043.08x = 201,540.99 × 81,518.48 - Step 4: Simplify right side
146,043.08x = 16,429,314,154.79 - Step 5: Solve for x
x = 16,429,314,154.79/146,043.08 - Step 6: Final answer
x = 112,496.36
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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.