Finding the Fourth Proportional to 134,750.64, 202,125.42 and 105,193.20
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Solution
The fourth proportional to 134,750.64, 202,125.42 and 105,193.20 is: 157,789.38
Step by Step Solution
- Step 1: Write the proportion equation
134,750.64 : 202,125.42 = 105,193.20 : x - Step 2: Convert to fraction form
134,750.64/202,125.42 = 105,193.20/x - Step 3: Cross multiply
134,750.64x = 202,125.42 × 105,193.20 - Step 4: Simplify right side
134,750.64x = 21,262,219,731.14 - Step 5: Solve for x
x = 21,262,219,731.14/134,750.64 - Step 6: Final answer
x = 157,789.38
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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.