Finding the Fourth Proportional to 187,869.99, 259,278.53 and 107,309.55
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Solution
The fourth proportional to 187,869.99, 259,278.53 and 107,309.55 is: 148,097.43
Step by Step Solution
- Step 1: Write the proportion equation
187,869.99 : 259,278.53 = 107,309.55 : x - Step 2: Convert to fraction form
187,869.99/259,278.53 = 107,309.55/x - Step 3: Cross multiply
187,869.99x = 259,278.53 × 107,309.55 - Step 4: Simplify right side
187,869.99x = 27,823,061,842.41 - Step 5: Solve for x
x = 27,823,061,842.41/187,869.99 - Step 6: Final answer
x = 148,097.43
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1.5x scale
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.