Finding the Fourth Proportional to 187,953.21, 259,381.44 and 103,070.07
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Solution
The fourth proportional to 187,953.21, 259,381.44 and 103,070.07 is: 142,239.99
Step by Step Solution
- Step 1: Write the proportion equation
187,953.21 : 259,381.44 = 103,070.07 : x - Step 2: Convert to fraction form
187,953.21/259,381.44 = 103,070.07/x - Step 3: Cross multiply
187,953.21x = 259,381.44 × 103,070.07 - Step 4: Simplify right side
187,953.21x = 26,734,463,177.50 - Step 5: Solve for x
x = 26,734,463,177.50/187,953.21 - Step 6: Final answer
x = 142,239.99
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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.