Finding the Fourth Proportional to 121,823.15, 182,900.52 and 68,552.77
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Solution
The fourth proportional to 121,823.15, 182,900.52 and 68,552.77 is: 102,922.45
Step by Step Solution
- Step 1: Write the proportion equation
121,823.15 : 182,900.52 = 68,552.77 : x - Step 2: Convert to fraction form
121,823.15/182,900.52 = 68,552.77/x - Step 3: Cross multiply
121,823.15x = 182,900.52 × 68,552.77 - Step 4: Simplify right side
121,823.15x = 12,538,337,166.13 - Step 5: Solve for x
x = 12,538,337,166.13/121,823.15 - Step 6: Final answer
x = 102,922.45
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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.