Finding the Fourth Proportional to 125,205.06, 187,995.20 and 108,389.94
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Solution
The fourth proportional to 125,205.06, 187,995.20 and 108,389.94 is: 162,747.32
Step by Step Solution
- Step 1: Write the proportion equation
125,205.06 : 187,995.20 = 108,389.94 : x - Step 2: Convert to fraction form
125,205.06/187,995.20 = 108,389.94/x - Step 3: Cross multiply
125,205.06x = 187,995.20 × 108,389.94 - Step 4: Simplify right side
125,205.06x = 20,376,788,448.29 - Step 5: Solve for x
x = 20,376,788,448.29/125,205.06 - Step 6: Final answer
x = 162,747.32
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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.