Finding the Fourth Proportional to 130,201.44, 179,704.08 and 76,503.84
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Solution
The fourth proportional to 130,201.44, 179,704.08 and 76,503.84 is: 105,590.63
Step by Step Solution
- Step 1: Write the proportion equation
130,201.44 : 179,704.08 = 76,503.84 : x - Step 2: Convert to fraction form
130,201.44/179,704.08 = 76,503.84/x - Step 3: Cross multiply
130,201.44x = 179,704.08 × 76,503.84 - Step 4: Simplify right side
130,201.44x = 13,748,052,183.67 - Step 5: Solve for x
x = 13,748,052,183.67/130,201.44 - Step 6: Final answer
x = 105,590.63
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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.