Finding the Fourth Proportional to 148,109.22, 204,389.87 and 80,125.99
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Solution
The fourth proportional to 148,109.22, 204,389.87 and 80,125.99 is: 110,573.40
Step by Step Solution
- Step 1: Write the proportion equation
148,109.22 : 204,389.87 = 80,125.99 : x - Step 2: Convert to fraction form
148,109.22/204,389.87 = 80,125.99/x - Step 3: Cross multiply
148,109.22x = 204,389.87 × 80,125.99 - Step 4: Simplify right side
148,109.22x = 16,376,940,679.72 - Step 5: Solve for x
x = 16,376,940,679.72/148,109.22 - Step 6: Final answer
x = 110,573.40
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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.