Finding the Fourth Proportional to 127,130.08, 175,439.68 and 70,541.44
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Solution
The fourth proportional to 127,130.08, 175,439.68 and 70,541.44 is: 97,347.28
Step by Step Solution
- Step 1: Write the proportion equation
127,130.08 : 175,439.68 = 70,541.44 : x - Step 2: Convert to fraction form
127,130.08/175,439.68 = 70,541.44/x - Step 3: Cross multiply
127,130.08x = 175,439.68 × 70,541.44 - Step 4: Simplify right side
127,130.08x = 12,375,767,660.34 - Step 5: Solve for x
x = 12,375,767,660.34/127,130.08 - Step 6: Final answer
x = 97,347.28
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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.