Finding the Fourth Proportional to 125,283.60, 187,916.76 and 58,738.50
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Solution
The fourth proportional to 125,283.60, 187,916.76 and 58,738.50 is: 88,103.70
Step by Step Solution
- Step 1: Write the proportion equation
125,283.60 : 187,916.76 = 58,738.50 : x - Step 2: Convert to fraction form
125,283.60/187,916.76 = 58,738.50/x - Step 3: Cross multiply
125,283.60x = 187,916.76 × 58,738.50 - Step 4: Simplify right side
125,283.60x = 11,037,948,607.26 - Step 5: Solve for x
x = 11,037,948,607.26/125,283.60 - Step 6: Final answer
x = 88,103.70
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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.