Finding the Fourth Proportional to 134,097.08, 185,140.54 and 83,163.96
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Solution
The fourth proportional to 134,097.08, 185,140.54 and 83,163.96 is: 114,819.95
Step by Step Solution
- Step 1: Write the proportion equation
134,097.08 : 185,140.54 = 83,163.96 : x - Step 2: Convert to fraction form
134,097.08/185,140.54 = 83,163.96/x - Step 3: Cross multiply
134,097.08x = 185,140.54 × 83,163.96 - Step 4: Simplify right side
134,097.08x = 15,397,020,462.94 - Step 5: Solve for x
x = 15,397,020,462.94/134,097.08 - Step 6: Final answer
x = 114,819.95
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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.