Finding the Fourth Proportional to 127,155.98, 175,507.11 and 73,472.18
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Solution
The fourth proportional to 127,155.98, 175,507.11 and 73,472.18 is: 101,410.02
Step by Step Solution
- Step 1: Write the proportion equation
127,155.98 : 175,507.11 = 73,472.18 : x - Step 2: Convert to fraction form
127,155.98/175,507.11 = 73,472.18/x - Step 3: Cross multiply
127,155.98x = 175,507.11 × 73,472.18 - Step 4: Simplify right side
127,155.98x = 12,894,889,977.20 - Step 5: Solve for x
x = 12,894,889,977.20/127,155.98 - Step 6: Final answer
x = 101,410.02
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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.