Finding the Fourth Proportional to 127,152.18, 175,468.68 and 70,563.96
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Solution
The fourth proportional to 127,152.18, 175,468.68 and 70,563.96 is: 97,377.53
Step by Step Solution
- Step 1: Write the proportion equation
127,152.18 : 175,468.68 = 70,563.96 : x - Step 2: Convert to fraction form
127,152.18/175,468.68 = 70,563.96/x - Step 3: Cross multiply
127,152.18x = 175,468.68 × 70,563.96 - Step 4: Simplify right side
127,152.18x = 12,381,764,916.77 - Step 5: Solve for x
x = 12,381,764,916.77/127,152.18 - Step 6: Final answer
x = 97,377.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.