Finding the Fourth Proportional to 159,124.16, 219,591.04 and 91,163.16
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Solution
The fourth proportional to 159,124.16, 219,591.04 and 91,163.16 is: 125,804.99
Step by Step Solution
- Step 1: Write the proportion equation
159,124.16 : 219,591.04 = 91,163.16 : x - Step 2: Convert to fraction form
159,124.16/219,591.04 = 91,163.16/x - Step 3: Cross multiply
159,124.16x = 219,591.04 × 91,163.16 - Step 4: Simplify right side
159,124.16x = 20,018,613,114.09 - Step 5: Solve for x
x = 20,018,613,114.09/159,124.16 - Step 6: Final answer
x = 125,804.99
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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.