Finding the Fourth Proportional to 133,507.46, 184,440.40 and 87,675.84
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Solution
The fourth proportional to 133,507.46, 184,440.40 and 87,675.84 is: 121,124.07
Step by Step Solution
- Step 1: Write the proportion equation
133,507.46 : 184,440.40 = 87,675.84 : x - Step 2: Convert to fraction form
133,507.46/184,440.40 = 87,675.84/x - Step 3: Cross multiply
133,507.46x = 184,440.40 × 87,675.84 - Step 4: Simplify right side
133,507.46x = 16,170,966,780.75 - Step 5: Solve for x
x = 16,170,966,780.75/133,507.46 - Step 6: Final answer
x = 121,124.07
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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.