Finding the Fourth Proportional to 102,559.08, 141,538.64 and 57,245.91
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Solution
The fourth proportional to 102,559.08, 141,538.64 and 57,245.91 is: 79,003.32
Step by Step Solution
- Step 1: Write the proportion equation
102,559.08 : 141,538.64 = 57,245.91 : x - Step 2: Convert to fraction form
102,559.08/141,538.64 = 57,245.91/x - Step 3: Cross multiply
102,559.08x = 141,538.64 × 57,245.91 - Step 4: Simplify right side
102,559.08x = 8,102,508,246.96 - Step 5: Solve for x
x = 8,102,508,246.96/102,559.08 - Step 6: Final answer
x = 79,003.32
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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.