Finding the Fourth Proportional to 106,169.08, 159,319.50 and 61,815.64
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Solution
The fourth proportional to 106,169.08, 159,319.50 and 61,815.64 is: 92,761.82
Step by Step Solution
- Step 1: Write the proportion equation
106,169.08 : 159,319.50 = 61,815.64 : x - Step 2: Convert to fraction form
106,169.08/159,319.50 = 61,815.64/x - Step 3: Cross multiply
106,169.08x = 159,319.50 × 61,815.64 - Step 4: Simplify right side
106,169.08x = 9,848,436,856.98 - Step 5: Solve for x
x = 9,848,436,856.98/106,169.08 - Step 6: Final answer
x = 92,761.82
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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.