Finding the Fourth Proportional to 137,432.43, 205,911.96 and 107,435.00
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Solution
The fourth proportional to 137,432.43, 205,911.96 and 107,435.00 is: 160,967.47
Step by Step Solution
- Step 1: Write the proportion equation
137,432.43 : 205,911.96 = 107,435.00 : x - Step 2: Convert to fraction form
137,432.43/205,911.96 = 107,435.00/x - Step 3: Cross multiply
137,432.43x = 205,911.96 × 107,435.00 - Step 4: Simplify right side
137,432.43x = 22,122,150,393.04 - Step 5: Solve for x
x = 22,122,150,393.04/137,432.43 - Step 6: Final answer
x = 160,967.47
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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.