Finding the Fourth Proportional to 187,814.62, 259,155.49 and 106,113.05
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Solution
The fourth proportional to 187,814.62, 259,155.49 and 106,113.05 is: 146,419.80
Step by Step Solution
- Step 1: Write the proportion equation
187,814.62 : 259,155.49 = 106,113.05 : x - Step 2: Convert to fraction form
187,814.62/259,155.49 = 106,113.05/x - Step 3: Cross multiply
187,814.62x = 259,155.49 × 106,113.05 - Step 4: Simplify right side
187,814.62x = 27,499,779,468.14 - Step 5: Solve for x
x = 27,499,779,468.14/187,814.62 - Step 6: Final answer
x = 146,419.80
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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.