Finding the Fourth Proportional to 156,929.44, 235,369.32 and 68,159.14
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Solution
The fourth proportional to 156,929.44, 235,369.32 and 68,159.14 is: 102,227.92
Step by Step Solution
- Step 1: Write the proportion equation
156,929.44 : 235,369.32 = 68,159.14 : x - Step 2: Convert to fraction form
156,929.44/235,369.32 = 68,159.14/x - Step 3: Cross multiply
156,929.44x = 235,369.32 × 68,159.14 - Step 4: Simplify right side
156,929.44x = 16,042,570,433.58 - Step 5: Solve for x
x = 16,042,570,433.58/156,929.44 - Step 6: Final answer
x = 102,227.92
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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.