Finding the Fourth Proportional to 113,518.97, 156,671.21 and 73,349.55
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Solution
The fourth proportional to 113,518.97, 156,671.21 and 73,349.55 is: 101,232.09
Step by Step Solution
- Step 1: Write the proportion equation
113,518.97 : 156,671.21 = 73,349.55 : x - Step 2: Convert to fraction form
113,518.97/156,671.21 = 73,349.55/x - Step 3: Cross multiply
113,518.97x = 156,671.21 × 73,349.55 - Step 4: Simplify right side
113,518.97x = 11,491,762,934.83 - Step 5: Solve for x
x = 11,491,762,934.83/113,518.97 - Step 6: Final answer
x = 101,232.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.