Finding the Fourth Proportional to 107,053.68, 160,471.17 and 69,688.79
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Solution
The fourth proportional to 107,053.68, 160,471.17 and 69,688.79 is: 104,461.99
Step by Step Solution
- Step 1: Write the proportion equation
107,053.68 : 160,471.17 = 69,688.79 : x - Step 2: Convert to fraction form
107,053.68/160,471.17 = 69,688.79/x - Step 3: Cross multiply
107,053.68x = 160,471.17 × 69,688.79 - Step 4: Simplify right side
107,053.68x = 11,183,040,864.83 - Step 5: Solve for x
x = 11,183,040,864.83/107,053.68 - Step 6: Final answer
x = 104,461.99
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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.