Finding the Fourth Proportional to 146,181.63, 201,730.65 and 79,113.63
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Solution
The fourth proportional to 146,181.63, 201,730.65 and 79,113.63 is: 109,176.81
Step by Step Solution
- Step 1: Write the proportion equation
146,181.63 : 201,730.65 = 79,113.63 : x - Step 2: Convert to fraction form
146,181.63/201,730.65 = 79,113.63/x - Step 3: Cross multiply
146,181.63x = 201,730.65 × 79,113.63 - Step 4: Simplify right side
146,181.63x = 15,959,644,003.76 - Step 5: Solve for x
x = 15,959,644,003.76/146,181.63 - Step 6: Final answer
x = 109,176.81
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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.