Finding the Fourth Proportional to 136,078.24, 204,132.72 and 57,177.76
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Solution
The fourth proportional to 136,078.24, 204,132.72 and 57,177.76 is: 85,773.09
Step by Step Solution
- Step 1: Write the proportion equation
136,078.24 : 204,132.72 = 57,177.76 : x - Step 2: Convert to fraction form
136,078.24/204,132.72 = 57,177.76/x - Step 3: Cross multiply
136,078.24x = 204,132.72 × 57,177.76 - Step 4: Simplify right side
136,078.24x = 11,671,851,672.31 - Step 5: Solve for x
x = 11,671,851,672.31/136,078.24 - Step 6: Final answer
x = 85,773.09
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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.