Finding the Fourth Proportional to 115,860.20, 173,790.30 and 93,309.80
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Solution
The fourth proportional to 115,860.20, 173,790.30 and 93,309.80 is: 139,964.70
Step by Step Solution
- Step 1: Write the proportion equation
115,860.20 : 173,790.30 = 93,309.80 : x - Step 2: Convert to fraction form
115,860.20/173,790.30 = 93,309.80/x - Step 3: Cross multiply
115,860.20x = 173,790.30 × 93,309.80 - Step 4: Simplify right side
115,860.20x = 16,216,338,134.94 - Step 5: Solve for x
x = 16,216,338,134.94/115,860.20 - Step 6: Final answer
x = 139,964.70
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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.