Finding the Fourth Proportional to 133,380.19, 184,131.53 and 103,096.99
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Solution
The fourth proportional to 133,380.19, 184,131.53 and 103,096.99 is: 142,325.53
Step by Step Solution
- Step 1: Write the proportion equation
133,380.19 : 184,131.53 = 103,096.99 : x - Step 2: Convert to fraction form
133,380.19/184,131.53 = 103,096.99/x - Step 3: Cross multiply
133,380.19x = 184,131.53 × 103,096.99 - Step 4: Simplify right side
133,380.19x = 18,983,406,507.09 - Step 5: Solve for x
x = 18,983,406,507.09/133,380.19 - Step 6: Final answer
x = 142,325.53
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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.