Finding the Fourth Proportional to 163,890.18, 245,835.27 and 93,720.42
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Solution
The fourth proportional to 163,890.18, 245,835.27 and 93,720.42 is: 140,580.63
Step by Step Solution
- Step 1: Write the proportion equation
163,890.18 : 245,835.27 = 93,720.42 : x - Step 2: Convert to fraction form
163,890.18/245,835.27 = 93,720.42/x - Step 3: Cross multiply
163,890.18x = 245,835.27 × 93,720.42 - Step 4: Simplify right side
163,890.18x = 23,039,784,755.21 - Step 5: Solve for x
x = 23,039,784,755.21/163,890.18 - Step 6: Final answer
x = 140,580.63
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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.