Finding the Fourth Proportional to 133,848.80, 184,713.68 and 73,425.12
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Solution
The fourth proportional to 133,848.80, 184,713.68 and 73,425.12 is: 101,327.95
Step by Step Solution
- Step 1: Write the proportion equation
133,848.80 : 184,713.68 = 73,425.12 : x - Step 2: Convert to fraction form
133,848.80/184,713.68 = 73,425.12/x - Step 3: Cross multiply
133,848.80x = 184,713.68 × 73,425.12 - Step 4: Simplify right side
133,848.80x = 13,562,624,119.64 - Step 5: Solve for x
x = 13,562,624,119.64/133,848.80 - Step 6: Final answer
x = 101,327.95
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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.