Finding the Fourth Proportional to 156,918.24, 235,244.71 and 68,104.98
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Solution
The fourth proportional to 156,918.24, 235,244.71 and 68,104.98 is: 102,099.90
Step by Step Solution
- Step 1: Write the proportion equation
156,918.24 : 235,244.71 = 68,104.98 : x - Step 2: Convert to fraction form
156,918.24/235,244.71 = 68,104.98/x - Step 3: Cross multiply
156,918.24x = 235,244.71 × 68,104.98 - Step 4: Simplify right side
156,918.24x = 16,021,336,269.66 - Step 5: Solve for x
x = 16,021,336,269.66/156,918.24 - Step 6: Final answer
x = 102,099.90
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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.