Finding the Fourth Proportional to 127,202.30, 175,570.99 and 73,521.02
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Solution
The fourth proportional to 127,202.30, 175,570.99 and 73,521.02 is: 101,477.40
Step by Step Solution
- Step 1: Write the proportion equation
127,202.30 : 175,570.99 = 73,521.02 : x - Step 2: Convert to fraction form
127,202.30/175,570.99 = 73,521.02/x - Step 3: Cross multiply
127,202.30x = 175,570.99 × 73,521.02 - Step 4: Simplify right side
127,202.30x = 12,908,157,948.30 - Step 5: Solve for x
x = 12,908,157,948.30/127,202.30 - Step 6: Final answer
x = 101,477.40
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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.