Finding the Fourth Proportional to 134,959.36, 202,562.44 and 68,445.36
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Solution
The fourth proportional to 134,959.36, 202,562.44 and 68,445.36 is: 102,730.62
Step by Step Solution
- Step 1: Write the proportion equation
134,959.36 : 202,562.44 = 68,445.36 : x - Step 2: Convert to fraction form
134,959.36/202,562.44 = 68,445.36/x - Step 3: Cross multiply
134,959.36x = 202,562.44 × 68,445.36 - Step 4: Simplify right side
134,959.36x = 13,864,459,128.28 - Step 5: Solve for x
x = 13,864,459,128.28/134,959.36 - Step 6: Final answer
x = 102,730.62
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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.