Finding the Fourth Proportional to 134,151.36, 201,252.96 and 45,419.28
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Solution
The fourth proportional to 134,151.36, 201,252.96 and 45,419.28 is: 68,137.70
Step by Step Solution
- Step 1: Write the proportion equation
134,151.36 : 201,252.96 = 45,419.28 : x - Step 2: Convert to fraction form
134,151.36/201,252.96 = 45,419.28/x - Step 3: Cross multiply
134,151.36x = 201,252.96 × 45,419.28 - Step 4: Simplify right side
134,151.36x = 9,140,764,541.07 - Step 5: Solve for x
x = 9,140,764,541.07/134,151.36 - Step 6: Final answer
x = 68,137.70
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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.