Finding the Fourth Proportional to 134,015.80, 201,023.70 and 102,911.80
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Solution
The fourth proportional to 134,015.80, 201,023.70 and 102,911.80 is: 154,367.70
Step by Step Solution
- Step 1: Write the proportion equation
134,015.80 : 201,023.70 = 102,911.80 : x - Step 2: Convert to fraction form
134,015.80/201,023.70 = 102,911.80/x - Step 3: Cross multiply
134,015.80x = 201,023.70 × 102,911.80 - Step 4: Simplify right side
134,015.80x = 20,687,710,809.66 - Step 5: Solve for x
x = 20,687,710,809.66/134,015.80 - Step 6: Final answer
x = 154,367.70
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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.