Finding the Fourth Proportional to 173,811.12, 239,775.84 and 102,187.68
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Solution
The fourth proportional to 173,811.12, 239,775.84 and 102,187.68 is: 140,969.90
Step by Step Solution
- Step 1: Write the proportion equation
173,811.12 : 239,775.84 = 102,187.68 : x - Step 2: Convert to fraction form
173,811.12/239,775.84 = 102,187.68/x - Step 3: Cross multiply
173,811.12x = 239,775.84 × 102,187.68 - Step 4: Simplify right side
173,811.12x = 24,502,136,809.65 - Step 5: Solve for x
x = 24,502,136,809.65/173,811.12 - Step 6: Final answer
x = 140,969.90
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1.5x scale
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.