Finding the Fourth Proportional to 107,355.87, 160,949.12 and 67,829.67
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Solution
The fourth proportional to 107,355.87, 160,949.12 and 67,829.67 is: 101,691.00
Step by Step Solution
- Step 1: Write the proportion equation
107,355.87 : 160,949.12 = 67,829.67 : x - Step 2: Convert to fraction form
107,355.87/160,949.12 = 67,829.67/x - Step 3: Cross multiply
107,355.87x = 160,949.12 × 67,829.67 - Step 4: Simplify right side
107,355.87x = 10,917,125,357.24 - Step 5: Solve for x
x = 10,917,125,357.24/107,355.87 - Step 6: Final answer
x = 101,691.00
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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.