Finding the Fourth Proportional to 133,656.42, 184,450.94 and 76,305.08
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Solution
The fourth proportional to 133,656.42, 184,450.94 and 76,305.08 is: 105,303.92
Step by Step Solution
- Step 1: Write the proportion equation
133,656.42 : 184,450.94 = 76,305.08 : x - Step 2: Convert to fraction form
133,656.42/184,450.94 = 76,305.08/x - Step 3: Cross multiply
133,656.42x = 184,450.94 × 76,305.08 - Step 4: Simplify right side
133,656.42x = 14,074,544,384.67 - Step 5: Solve for x
x = 14,074,544,384.67/133,656.42 - Step 6: Final answer
x = 105,303.92
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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.