Finding the Fourth Proportional to 125,416.03, 188,188.60 and 83,325.09
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Solution
The fourth proportional to 125,416.03, 188,188.60 and 83,325.09 is: 125,030.52
Step by Step Solution
- Step 1: Write the proportion equation
125,416.03 : 188,188.60 = 83,325.09 : x - Step 2: Convert to fraction form
125,416.03/188,188.60 = 83,325.09/x - Step 3: Cross multiply
125,416.03x = 188,188.60 × 83,325.09 - Step 4: Simplify right side
125,416.03x = 15,680,832,031.97 - Step 5: Solve for x
x = 15,680,832,031.97/125,416.03 - Step 6: Final answer
x = 125,030.52
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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.