Finding the Fourth Proportional to 156,935.49, 235,270.59 and 68,122.23
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Solution
The fourth proportional to 156,935.49, 235,270.59 and 68,122.23 is: 102,125.77
Step by Step Solution
- Step 1: Write the proportion equation
156,935.49 : 235,270.59 = 68,122.23 : x - Step 2: Convert to fraction form
156,935.49/235,270.59 = 68,122.23/x - Step 3: Cross multiply
156,935.49x = 235,270.59 × 68,122.23 - Step 4: Simplify right side
156,935.49x = 16,027,157,244.22 - Step 5: Solve for x
x = 16,027,157,244.22/156,935.49 - Step 6: Final answer
x = 102,125.77
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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.