Finding the Fourth Proportional to 125,258.20, 187,675.98 and 61,993.96
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Solution
The fourth proportional to 125,258.20, 187,675.98 and 61,993.96 is: 92,886.35
Step by Step Solution
- Step 1: Write the proportion equation
125,258.20 : 187,675.98 = 61,993.96 : x - Step 2: Convert to fraction form
125,258.20/187,675.98 = 61,993.96/x - Step 3: Cross multiply
125,258.20x = 187,675.98 × 61,993.96 - Step 4: Simplify right side
125,258.20x = 11,634,777,197.08 - Step 5: Solve for x
x = 11,634,777,197.08/125,258.20 - Step 6: Final answer
x = 92,886.35
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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.