Finding the Fourth Proportional to 136,158.60, 204,024.58 and 86,133.08
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Solution
The fourth proportional to 136,158.60, 204,024.58 and 86,133.08 is: 129,064.68
Step by Step Solution
- Step 1: Write the proportion equation
136,158.60 : 204,024.58 = 86,133.08 : x - Step 2: Convert to fraction form
136,158.60/204,024.58 = 86,133.08/x - Step 3: Cross multiply
136,158.60x = 204,024.58 × 86,133.08 - Step 4: Simplify right side
136,158.60x = 17,573,265,471.11 - Step 5: Solve for x
x = 17,573,265,471.11/136,158.60 - Step 6: Final answer
x = 129,064.68
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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.