Finding the Fourth Proportional to 116,347.01, 160,433.21 and 106,161.05
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Solution
The fourth proportional to 116,347.01, 160,433.21 and 106,161.05 is: 146,387.60
Step by Step Solution
- Step 1: Write the proportion equation
116,347.01 : 160,433.21 = 106,161.05 : x - Step 2: Convert to fraction form
116,347.01/160,433.21 = 106,161.05/x - Step 3: Cross multiply
116,347.01x = 160,433.21 × 106,161.05 - Step 4: Simplify right side
116,347.01x = 17,031,758,694.96 - Step 5: Solve for x
x = 17,031,758,694.96/116,347.01 - Step 6: Final answer
x = 146,387.60
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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.