Finding the Fourth Proportional to 135,325.08, 186,779.52 and 78,744.96
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Solution
The fourth proportional to 135,325.08, 186,779.52 and 78,744.96 is: 108,686.03
Step by Step Solution
- Step 1: Write the proportion equation
135,325.08 : 186,779.52 = 78,744.96 : x - Step 2: Convert to fraction form
135,325.08/186,779.52 = 78,744.96/x - Step 3: Cross multiply
135,325.08x = 186,779.52 × 78,744.96 - Step 4: Simplify right side
135,325.08x = 14,707,945,831.22 - Step 5: Solve for x
x = 14,707,945,831.22/135,325.08 - Step 6: Final answer
x = 108,686.03
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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.