Finding the Fourth Proportional to 127,564.13, 191,222.13 and 60,986.99
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Solution
The fourth proportional to 127,564.13, 191,222.13 and 60,986.99 is: 91,421.17
Step by Step Solution
- Step 1: Write the proportion equation
127,564.13 : 191,222.13 = 60,986.99 : x - Step 2: Convert to fraction form
127,564.13/191,222.13 = 60,986.99/x - Step 3: Cross multiply
127,564.13x = 191,222.13 × 60,986.99 - Step 4: Simplify right side
127,564.13x = 11,662,062,130.09 - Step 5: Solve for x
x = 11,662,062,130.09/127,564.13 - Step 6: Final answer
x = 91,421.17
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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.