Finding the Fourth Proportional to 134,786.99, 202,145.87 and 39,994.76
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Solution
The fourth proportional to 134,786.99, 202,145.87 and 39,994.76 is: 59,981.86
Step by Step Solution
- Step 1: Write the proportion equation
134,786.99 : 202,145.87 = 39,994.76 : x - Step 2: Convert to fraction form
134,786.99/202,145.87 = 39,994.76/x - Step 3: Cross multiply
134,786.99x = 202,145.87 × 39,994.76 - Step 4: Simplify right side
134,786.99x = 8,084,774,644.90 - Step 5: Solve for x
x = 8,084,774,644.90/134,786.99 - Step 6: Final answer
x = 59,981.86
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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.