Finding the Fourth Proportional to 107,038.37, 160,657.19 and 54,487.19
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Solution
The fourth proportional to 107,038.37, 160,657.19 and 54,487.19 is: 81,781.50
Step by Step Solution
- Step 1: Write the proportion equation
107,038.37 : 160,657.19 = 54,487.19 : x - Step 2: Convert to fraction form
107,038.37/160,657.19 = 54,487.19/x - Step 3: Cross multiply
107,038.37x = 160,657.19 × 54,487.19 - Step 4: Simplify right side
107,038.37x = 8,753,758,836.40 - Step 5: Solve for x
x = 8,753,758,836.40/107,038.37 - Step 6: Final answer
x = 81,781.50
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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.