Finding the Fourth Proportional to 133,537.36, 184,281.60 and 73,921.36
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Solution
The fourth proportional to 133,537.36, 184,281.60 and 73,921.36 is: 102,011.50
Step by Step Solution
- Step 1: Write the proportion equation
133,537.36 : 184,281.60 = 73,921.36 : x - Step 2: Convert to fraction form
133,537.36/184,281.60 = 73,921.36/x - Step 3: Cross multiply
133,537.36x = 184,281.60 × 73,921.36 - Step 4: Simplify right side
133,537.36x = 13,622,346,494.98 - Step 5: Solve for x
x = 13,622,346,494.98/133,537.36 - Step 6: Final answer
x = 102,011.50
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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.