Finding the Fourth Proportional to 133,644.67, 184,419.93 and 73,205.53
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Solution
The fourth proportional to 133,644.67, 184,419.93 and 73,205.53 is: 101,018.31
Step by Step Solution
- Step 1: Write the proportion equation
133,644.67 : 184,419.93 = 73,205.53 : x - Step 2: Convert to fraction form
133,644.67/184,419.93 = 73,205.53/x - Step 3: Cross multiply
133,644.67x = 184,419.93 × 73,205.53 - Step 4: Simplify right side
133,644.67x = 13,500,558,718.21 - Step 5: Solve for x
x = 13,500,558,718.21/133,644.67 - Step 6: Final answer
x = 101,018.31
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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.