Finding the Fourth Proportional to 121,992.68, 182,994.49 and 53,599.73
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Solution
The fourth proportional to 121,992.68, 182,994.49 and 53,599.73 is: 80,401.99
Step by Step Solution
- Step 1: Write the proportion equation
121,992.68 : 182,994.49 = 53,599.73 : x - Step 2: Convert to fraction form
121,992.68/182,994.49 = 53,599.73/x - Step 3: Cross multiply
121,992.68x = 182,994.49 × 53,599.73 - Step 4: Simplify right side
121,992.68x = 9,808,454,407.51 - Step 5: Solve for x
x = 9,808,454,407.51/121,992.68 - Step 6: Final answer
x = 80,401.99
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1.5x scale
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.