Finding the Fourth Proportional to 107,837.67, 148,816.58 and 62,542.50
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Solution
The fourth proportional to 107,837.67, 148,816.58 and 62,542.50 is: 86,308.99
Step by Step Solution
- Step 1: Write the proportion equation
107,837.67 : 148,816.58 = 62,542.50 : x - Step 2: Convert to fraction form
107,837.67/148,816.58 = 62,542.50/x - Step 3: Cross multiply
107,837.67x = 148,816.58 × 62,542.50 - Step 4: Simplify right side
107,837.67x = 9,307,360,641.94 - Step 5: Solve for x
x = 9,307,360,641.94/107,837.67 - Step 6: Final answer
x = 86,308.99
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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.