Finding the Fourth Proportional to 187,840.24, 259,218.06 and 102,957.10
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Solution
The fourth proportional to 187,840.24, 259,218.06 and 102,957.10 is: 142,079.99
Step by Step Solution
- Step 1: Write the proportion equation
187,840.24 : 259,218.06 = 102,957.10 : x - Step 2: Convert to fraction form
187,840.24/259,218.06 = 102,957.10/x - Step 3: Cross multiply
187,840.24x = 259,218.06 × 102,957.10 - Step 4: Simplify right side
187,840.24x = 26,688,339,725.23 - Step 5: Solve for x
x = 26,688,339,725.23/187,840.24 - Step 6: Final answer
x = 142,079.99
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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.