Finding the Fourth Proportional to 107,869.71, 148,857.25 and 61,927.99
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Solution
The fourth proportional to 107,869.71, 148,857.25 and 61,927.99 is: 85,458.93
Step by Step Solution
- Step 1: Write the proportion equation
107,869.71 : 148,857.25 = 61,927.99 : x - Step 2: Convert to fraction form
107,869.71/148,857.25 = 61,927.99/x - Step 3: Cross multiply
107,869.71x = 148,857.25 × 61,927.99 - Step 4: Simplify right side
107,869.71x = 9,218,430,289.43 - Step 5: Solve for x
x = 9,218,430,289.43/107,869.71 - Step 6: Final answer
x = 85,458.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.