Finding the Fourth Proportional to 134,688.22, 202,156.97 and 68,175.07
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Solution
The fourth proportional to 134,688.22, 202,156.97 and 68,175.07 is: 102,325.69
Step by Step Solution
- Step 1: Write the proportion equation
134,688.22 : 202,156.97 = 68,175.07 : x - Step 2: Convert to fraction form
134,688.22/202,156.97 = 68,175.07/x - Step 3: Cross multiply
134,688.22x = 202,156.97 × 68,175.07 - Step 4: Simplify right side
134,688.22x = 13,782,064,734.47 - Step 5: Solve for x
x = 13,782,064,734.47/134,688.22 - Step 6: Final answer
x = 102,325.69
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1.5x scale
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.