Finding the Fourth Proportional to 113,378.08, 170,023.36 and 54,197.88
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Solution
The fourth proportional to 113,378.08, 170,023.36 and 54,197.88 is: 81,275.90
Step by Step Solution
- Step 1: Write the proportion equation
113,378.08 : 170,023.36 = 54,197.88 : x - Step 2: Convert to fraction form
113,378.08/170,023.36 = 54,197.88/x - Step 3: Cross multiply
113,378.08x = 170,023.36 × 54,197.88 - Step 4: Simplify right side
113,378.08x = 9,214,905,662.48 - Step 5: Solve for x
x = 9,214,905,662.48/113,378.08 - Step 6: Final answer
x = 81,275.90
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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.