Finding the Fourth Proportional to 106,947.65, 160,712.26 and 57,062.99
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Solution
The fourth proportional to 106,947.65, 160,712.26 and 57,062.99 is: 85,749.63
Step by Step Solution
- Step 1: Write the proportion equation
106,947.65 : 160,712.26 = 57,062.99 : x - Step 2: Convert to fraction form
106,947.65/160,712.26 = 57,062.99/x - Step 3: Cross multiply
106,947.65x = 160,712.26 × 57,062.99 - Step 4: Simplify right side
106,947.65x = 9,170,721,139.04 - Step 5: Solve for x
x = 9,170,721,139.04/106,947.65 - Step 6: Final answer
x = 85,749.63
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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.