Finding the Fourth Proportional to 159,806.99, 220,527.16 and 88,186.05
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Solution
The fourth proportional to 159,806.99, 220,527.16 and 88,186.05 is: 121,693.17
Step by Step Solution
- Step 1: Write the proportion equation
159,806.99 : 220,527.16 = 88,186.05 : x - Step 2: Convert to fraction form
159,806.99/220,527.16 = 88,186.05/x - Step 3: Cross multiply
159,806.99x = 220,527.16 × 88,186.05 - Step 4: Simplify right side
159,806.99x = 19,447,418,937.65 - Step 5: Solve for x
x = 19,447,418,937.65/159,806.99 - Step 6: Final answer
x = 121,693.17
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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.