Finding the Fourth Proportional to 135,684.05, 187,027.70 and 106,956.89
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Solution
The fourth proportional to 135,684.05, 187,027.70 and 106,956.89 is: 147,430.02
Step by Step Solution
- Step 1: Write the proportion equation
135,684.05 : 187,027.70 = 106,956.89 : x - Step 2: Convert to fraction form
135,684.05/187,027.70 = 106,956.89/x - Step 3: Cross multiply
135,684.05x = 187,027.70 × 106,956.89 - Step 4: Simplify right side
135,684.05x = 20,003,901,135.85 - Step 5: Solve for x
x = 20,003,901,135.85/135,684.05 - Step 6: Final answer
x = 147,430.02
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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.