Finding the Fourth Proportional to 99,183.36, 136,671.36 and 92,184.32
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Solution
The fourth proportional to 99,183.36, 136,671.36 and 92,184.32 is: 127,026.92
Step by Step Solution
- Step 1: Write the proportion equation
99,183.36 : 136,671.36 = 92,184.32 : x - Step 2: Convert to fraction form
99,183.36/136,671.36 = 92,184.32/x - Step 3: Cross multiply
99,183.36x = 136,671.36 × 92,184.32 - Step 4: Simplify right side
99,183.36x = 12,598,956,385.08 - Step 5: Solve for x
x = 12,598,956,385.08/99,183.36 - Step 6: Final answer
x = 127,026.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.