Finding the Fourth Proportional to 168,161.59, 232,079.34 and 125,646.31
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Solution
The fourth proportional to 168,161.59, 232,079.34 and 125,646.31 is: 173,404.12
Step by Step Solution
- Step 1: Write the proportion equation
168,161.59 : 232,079.34 = 125,646.31 : x - Step 2: Convert to fraction form
168,161.59/232,079.34 = 125,646.31/x - Step 3: Cross multiply
168,161.59x = 232,079.34 × 125,646.31 - Step 4: Simplify right side
168,161.59x = 29,159,912,698.24 - Step 5: Solve for x
x = 29,159,912,698.24/168,161.59 - Step 6: Final answer
x = 173,404.12
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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.