Finding the Fourth Proportional to 134,502.54, 201,906.90 and 68,017.74
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Solution
The fourth proportional to 134,502.54, 201,906.90 and 68,017.74 is: 102,104.03
Step by Step Solution
- Step 1: Write the proportion equation
134,502.54 : 201,906.90 = 68,017.74 : x - Step 2: Convert to fraction form
134,502.54/201,906.90 = 68,017.74/x - Step 3: Cross multiply
134,502.54x = 201,906.90 × 68,017.74 - Step 4: Simplify right side
134,502.54x = 13,733,251,028.41 - Step 5: Solve for x
x = 13,733,251,028.41/134,502.54 - Step 6: Final answer
x = 102,104.03
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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.