Finding the Fourth Proportional to 176,642.74, 243,801.99 and 100,163.35
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Solution
The fourth proportional to 176,642.74, 243,801.99 and 100,163.35 is: 138,245.27
Step by Step Solution
- Step 1: Write the proportion equation
176,642.74 : 243,801.99 = 100,163.35 : x - Step 2: Convert to fraction form
176,642.74/243,801.99 = 100,163.35/x - Step 3: Cross multiply
176,642.74x = 243,801.99 × 100,163.35 - Step 4: Simplify right side
176,642.74x = 24,420,022,335.24 - Step 5: Solve for x
x = 24,420,022,335.24/176,642.74 - Step 6: Final answer
x = 138,245.27
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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.