Finding the Fourth Proportional to 125,820.18, 188,730.27 and 113,339.70
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Solution
The fourth proportional to 125,820.18, 188,730.27 and 113,339.70 is: 170,009.55
Step by Step Solution
- Step 1: Write the proportion equation
125,820.18 : 188,730.27 = 113,339.70 : x - Step 2: Convert to fraction form
125,820.18/188,730.27 = 113,339.70/x - Step 3: Cross multiply
125,820.18x = 188,730.27 × 113,339.70 - Step 4: Simplify right side
125,820.18x = 21,390,632,182.72 - Step 5: Solve for x
x = 21,390,632,182.72/125,820.18 - Step 6: Final answer
x = 170,009.55
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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.