Finding the Fourth Proportional to 121,250.43, 167,308.45 and 68,860.62
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Solution
The fourth proportional to 121,250.43, 167,308.45 and 68,860.62 is: 95,017.92
Step by Step Solution
- Step 1: Write the proportion equation
121,250.43 : 167,308.45 = 68,860.62 : x - Step 2: Convert to fraction form
121,250.43/167,308.45 = 68,860.62/x - Step 3: Cross multiply
121,250.43x = 167,308.45 × 68,860.62 - Step 4: Simplify right side
121,250.43x = 11,520,963,598.24 - Step 5: Solve for x
x = 11,520,963,598.24/121,250.43 - Step 6: Final answer
x = 95,017.92
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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.