Finding the Fourth Proportional to 119,739.76, 165,251.96 and 68,759.17
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Solution
The fourth proportional to 119,739.76, 165,251.96 and 68,759.17 is: 94,894.02
Step by Step Solution
- Step 1: Write the proportion equation
119,739.76 : 165,251.96 = 68,759.17 : x - Step 2: Convert to fraction form
119,739.76/165,251.96 = 68,759.17/x - Step 3: Cross multiply
119,739.76x = 165,251.96 × 68,759.17 - Step 4: Simplify right side
119,739.76x = 11,362,587,610.47 - Step 5: Solve for x
x = 11,362,587,610.47/119,739.76 - Step 6: Final answer
x = 94,894.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.