Finding the Fourth Proportional to 159,750.09, 220,455.87 and 88,130.09
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Solution
The fourth proportional to 159,750.09, 220,455.87 and 88,130.09 is: 121,619.93
Step by Step Solution
- Step 1: Write the proportion equation
159,750.09 : 220,455.87 = 88,130.09 : x - Step 2: Convert to fraction form
159,750.09/220,455.87 = 88,130.09/x - Step 3: Cross multiply
159,750.09x = 220,455.87 × 88,130.09 - Step 4: Simplify right side
159,750.09x = 19,428,794,561.85 - Step 5: Solve for x
x = 19,428,794,561.85/159,750.09 - Step 6: Final answer
x = 121,619.93
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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.