Finding the Fourth Proportional to 156,168.99, 234,349.85 and 61,382.52
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Solution
The fourth proportional to 156,168.99, 234,349.85 and 61,382.52 is: 92,111.65
Step by Step Solution
- Step 1: Write the proportion equation
156,168.99 : 234,349.85 = 61,382.52 : x - Step 2: Convert to fraction form
156,168.99/234,349.85 = 61,382.52/x - Step 3: Cross multiply
156,168.99x = 234,349.85 × 61,382.52 - Step 4: Simplify right side
156,168.99x = 14,384,984,047.71 - Step 5: Solve for x
x = 14,384,984,047.71/156,168.99 - Step 6: Final answer
x = 92,111.65
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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.