Finding the Fourth Proportional to 104,092.89, 156,139.80 and 25,206.99
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Solution
The fourth proportional to 104,092.89, 156,139.80 and 25,206.99 is: 37,810.60
Step by Step Solution
- Step 1: Write the proportion equation
104,092.89 : 156,139.80 = 25,206.99 : x - Step 2: Convert to fraction form
104,092.89/156,139.80 = 25,206.99/x - Step 3: Cross multiply
104,092.89x = 156,139.80 × 25,206.99 - Step 4: Simplify right side
104,092.89x = 3,935,814,377.20 - Step 5: Solve for x
x = 3,935,814,377.20/104,092.89 - Step 6: Final answer
x = 37,810.60
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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.