Finding the Fourth Proportional to 134,018.40, 201,990.92 and 115,521.68
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Solution
The fourth proportional to 134,018.40, 201,990.92 and 115,521.68 is: 174,112.89
Step by Step Solution
- Step 1: Write the proportion equation
134,018.40 : 201,990.92 = 115,521.68 : x - Step 2: Convert to fraction form
134,018.40/201,990.92 = 115,521.68/x - Step 3: Cross multiply
134,018.40x = 201,990.92 × 115,521.68 - Step 4: Simplify right side
134,018.40x = 23,334,330,423.15 - Step 5: Solve for x
x = 23,334,330,423.15/134,018.40 - Step 6: Final answer
x = 174,112.89
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.