Finding the Fourth Proportional to 146,140.90, 201,654.20 and 81,602.26
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Solution
The fourth proportional to 146,140.90, 201,654.20 and 81,602.26 is: 112,599.82
Step by Step Solution
- Step 1: Write the proportion equation
146,140.90 : 201,654.20 = 81,602.26 : x - Step 2: Convert to fraction form
146,140.90/201,654.20 = 81,602.26/x - Step 3: Cross multiply
146,140.90x = 201,654.20 × 81,602.26 - Step 4: Simplify right side
146,140.90x = 16,455,438,458.49 - Step 5: Solve for x
x = 16,455,438,458.49/146,140.90 - Step 6: Final answer
x = 112,599.82
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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.