Finding the Fourth Proportional to 125,533.36, 173,163.72 and 75,203.20
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Solution
The fourth proportional to 125,533.36, 173,163.72 and 75,203.20 is: 103,737.09
Step by Step Solution
- Step 1: Write the proportion equation
125,533.36 : 173,163.72 = 75,203.20 : x - Step 2: Convert to fraction form
125,533.36/173,163.72 = 75,203.20/x - Step 3: Cross multiply
125,533.36x = 173,163.72 × 75,203.20 - Step 4: Simplify right side
125,533.36x = 13,022,465,867.90 - Step 5: Solve for x
x = 13,022,465,867.90/125,533.36 - Step 6: Final answer
x = 103,737.09
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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.