Finding the Fourth Proportional to 115,870.34, 173,500.99 and 93,260.70
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Solution
The fourth proportional to 115,870.34, 173,500.99 and 93,260.70 is: 139,645.95
Step by Step Solution
- Step 1: Write the proportion equation
115,870.34 : 173,500.99 = 93,260.70 : x - Step 2: Convert to fraction form
115,870.34/173,500.99 = 93,260.70/x - Step 3: Cross multiply
115,870.34x = 173,500.99 × 93,260.70 - Step 4: Simplify right side
115,870.34x = 16,180,823,544.94 - Step 5: Solve for x
x = 16,180,823,544.94/115,870.34 - Step 6: Final answer
x = 139,645.95
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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.