Finding the Fourth Proportional to 107,372.60, 160,809.67 and 103,636.02
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Solution
The fourth proportional to 107,372.60, 160,809.67 and 103,636.02 is: 155,213.47
Step by Step Solution
- Step 1: Write the proportion equation
107,372.60 : 160,809.67 = 103,636.02 : x - Step 2: Convert to fraction form
107,372.60/160,809.67 = 103,636.02/x - Step 3: Cross multiply
107,372.60x = 160,809.67 × 103,636.02 - Step 4: Simplify right side
107,372.60x = 16,665,674,176.31 - Step 5: Solve for x
x = 16,665,674,176.31/107,372.60 - Step 6: Final answer
x = 155,213.47
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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.