Finding the Fourth Proportional to 107,637.14, 161,455.85 and 51,464.05
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Solution
The fourth proportional to 107,637.14, 161,455.85 and 51,464.05 is: 77,196.14
Step by Step Solution
- Step 1: Write the proportion equation
107,637.14 : 161,455.85 = 51,464.05 : x - Step 2: Convert to fraction form
107,637.14/161,455.85 = 51,464.05/x - Step 3: Cross multiply
107,637.14x = 161,455.85 × 51,464.05 - Step 4: Simplify right side
107,637.14x = 8,309,171,937.19 - Step 5: Solve for x
x = 8,309,171,937.19/107,637.14 - Step 6: Final answer
x = 77,196.14
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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.