Finding the Fourth Proportional to 114,741.36, 171,956.52 and 55,459.08
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Solution
The fourth proportional to 114,741.36, 171,956.52 and 55,459.08 is: 83,113.45
Step by Step Solution
- Step 1: Write the proportion equation
114,741.36 : 171,956.52 = 55,459.08 : x - Step 2: Convert to fraction form
114,741.36/171,956.52 = 55,459.08/x - Step 3: Cross multiply
114,741.36x = 171,956.52 × 55,459.08 - Step 4: Simplify right side
114,741.36x = 9,536,550,399.20 - Step 5: Solve for x
x = 9,536,550,399.20/114,741.36 - Step 6: Final answer
x = 83,113.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.