Finding the Fourth Proportional to 131,010.96, 180,652.05 and 88,495.68
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Solution
The fourth proportional to 131,010.96, 180,652.05 and 88,495.68 is: 122,027.39
Step by Step Solution
- Step 1: Write the proportion equation
131,010.96 : 180,652.05 = 88,495.68 : x - Step 2: Convert to fraction form
131,010.96/180,652.05 = 88,495.68/x - Step 3: Cross multiply
131,010.96x = 180,652.05 × 88,495.68 - Step 4: Simplify right side
131,010.96x = 15,986,926,008.14 - Step 5: Solve for x
x = 15,986,926,008.14/131,010.96 - Step 6: Final answer
x = 122,027.39
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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.