Finding the Fourth Proportional to 107,051.76, 160,458.84 and 54,352.08
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Solution
The fourth proportional to 107,051.76, 160,458.84 and 54,352.08 is: 81,467.80
Step by Step Solution
- Step 1: Write the proportion equation
107,051.76 : 160,458.84 = 54,352.08 : x - Step 2: Convert to fraction form
107,051.76/160,458.84 = 54,352.08/x - Step 3: Cross multiply
107,051.76x = 160,458.84 × 54,352.08 - Step 4: Simplify right side
107,051.76x = 8,721,271,708.39 - Step 5: Solve for x
x = 8,721,271,708.39/107,051.76 - Step 6: Final answer
x = 81,467.80
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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.