Finding the Fourth Proportional to 136,032.99, 187,748.73 and 87,621.18
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Solution
The fourth proportional to 136,032.99, 187,748.73 and 87,621.18 is: 120,932.17
Step by Step Solution
- Step 1: Write the proportion equation
136,032.99 : 187,748.73 = 87,621.18 : x - Step 2: Convert to fraction form
136,032.99/187,748.73 = 87,621.18/x - Step 3: Cross multiply
136,032.99x = 187,748.73 × 87,621.18 - Step 4: Simplify right side
136,032.99x = 16,450,765,266.10 - Step 5: Solve for x
x = 16,450,765,266.10/136,032.99 - Step 6: Final answer
x = 120,932.17
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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.