Finding the Fourth Proportional to 139,671.25, 192,750.70 and 79,244.44
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Solution
The fourth proportional to 139,671.25, 192,750.70 and 79,244.44 is: 109,359.81
Step by Step Solution
- Step 1: Write the proportion equation
139,671.25 : 192,750.70 = 79,244.44 : x - Step 2: Convert to fraction form
139,671.25/192,750.70 = 79,244.44/x - Step 3: Cross multiply
139,671.25x = 192,750.70 × 79,244.44 - Step 4: Simplify right side
139,671.25x = 15,274,421,621.10 - Step 5: Solve for x
x = 15,274,421,621.10/139,671.25 - Step 6: Final answer
x = 109,359.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.