Finding the Fourth Proportional to 136,442.24, 204,702.26 and 99,039.68
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Solution
The fourth proportional to 136,442.24, 204,702.26 and 99,039.68 is: 148,587.76
Step by Step Solution
- Step 1: Write the proportion equation
136,442.24 : 204,702.26 = 99,039.68 : x - Step 2: Convert to fraction form
136,442.24/204,702.26 = 99,039.68/x - Step 3: Cross multiply
136,442.24x = 204,702.26 × 99,039.68 - Step 4: Simplify right side
136,442.24x = 20,273,646,325.68 - Step 5: Solve for x
x = 20,273,646,325.68/136,442.24 - Step 6: Final answer
x = 148,587.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.