Finding the Fourth Proportional to 121,159.98, 181,725.54 and 32,420.34
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Solution
The fourth proportional to 121,159.98, 181,725.54 and 32,420.34 is: 48,626.65
Step by Step Solution
- Step 1: Write the proportion equation
121,159.98 : 181,725.54 = 32,420.34 : x - Step 2: Convert to fraction form
121,159.98/181,725.54 = 32,420.34/x - Step 3: Cross multiply
121,159.98x = 181,725.54 × 32,420.34 - Step 4: Simplify right side
121,159.98x = 5,891,603,793.48 - Step 5: Solve for x
x = 5,891,603,793.48/121,159.98 - Step 6: Final answer
x = 48,626.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.