Finding the Fourth Proportional to 133,436.19, 184,140.30 and 73,006.08
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Solution
The fourth proportional to 133,436.19, 184,140.30 and 73,006.08 is: 100,747.49
Step by Step Solution
- Step 1: Write the proportion equation
133,436.19 : 184,140.30 = 73,006.08 : x - Step 2: Convert to fraction form
133,436.19/184,140.30 = 73,006.08/x - Step 3: Cross multiply
133,436.19x = 184,140.30 × 73,006.08 - Step 4: Simplify right side
133,436.19x = 13,443,361,473.02 - Step 5: Solve for x
x = 13,443,361,473.02/133,436.19 - Step 6: Final answer
x = 100,747.49
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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.