Finding the Fourth Proportional to 133,639.20, 184,426.70 and 73,209.84
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Solution
The fourth proportional to 133,639.20, 184,426.70 and 73,209.84 is: 101,032.09
Step by Step Solution
- Step 1: Write the proportion equation
133,639.20 : 184,426.70 = 73,209.84 : x - Step 2: Convert to fraction form
133,639.20/184,426.70 = 73,209.84/x - Step 3: Cross multiply
133,639.20x = 184,426.70 × 73,209.84 - Step 4: Simplify right side
133,639.20x = 13,501,848,141.08 - Step 5: Solve for x
x = 13,501,848,141.08/133,639.20 - Step 6: Final answer
x = 101,032.09
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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.