Finding the Fourth Proportional to 102,368.96, 141,244.44 and 57,656.96
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Solution
The fourth proportional to 102,368.96, 141,244.44 and 57,656.96 is: 79,552.68
Step by Step Solution
- Step 1: Write the proportion equation
102,368.96 : 141,244.44 = 57,656.96 : x - Step 2: Convert to fraction form
102,368.96/141,244.44 = 57,656.96/x - Step 3: Cross multiply
102,368.96x = 141,244.44 × 57,656.96 - Step 4: Simplify right side
102,368.96x = 8,143,725,027.30 - Step 5: Solve for x
x = 8,143,725,027.30/102,368.96 - Step 6: Final answer
x = 79,552.68
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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.