Finding the Fourth Proportional to 159,795.81, 220,545.05 and 96,139.53
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Solution
The fourth proportional to 159,795.81, 220,545.05 and 96,139.53 is: 132,688.69
Step by Step Solution
- Step 1: Write the proportion equation
159,795.81 : 220,545.05 = 96,139.53 : x - Step 2: Convert to fraction form
159,795.81/220,545.05 = 96,139.53/x - Step 3: Cross multiply
159,795.81x = 220,545.05 × 96,139.53 - Step 4: Simplify right side
159,795.81x = 21,203,096,970.13 - Step 5: Solve for x
x = 21,203,096,970.13/159,795.81 - Step 6: Final answer
x = 132,688.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.