Finding the Fourth Proportional to 106,919.80, 160,379.70 and 93,095.80
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Solution
The fourth proportional to 106,919.80, 160,379.70 and 93,095.80 is: 139,643.70
Step by Step Solution
- Step 1: Write the proportion equation
106,919.80 : 160,379.70 = 93,095.80 : x - Step 2: Convert to fraction form
106,919.80/160,379.70 = 93,095.80/x - Step 3: Cross multiply
106,919.80x = 160,379.70 × 93,095.80 - Step 4: Simplify right side
106,919.80x = 14,930,676,475.26 - Step 5: Solve for x
x = 14,930,676,475.26/106,919.80 - Step 6: Final answer
x = 139,643.70
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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.