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Finding the Fourth Proportional to 101,136.70, 151,735.23 and 30,061.70

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Solution

The fourth proportional to 101,136.70, 151,735.23 and 30,061.70 is: 45,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,136.70 : 151,735.23 = 30,061.70 : x
  2. Step 2: Convert to fraction form
    101,136.70/151,735.23 = 30,061.70/x
  3. Step 3: Cross multiply
    101,136.70x = 151,735.23 × 30,061.70
  4. Step 4: Simplify right side
    101,136.70x = 4,561,418,205.01
  5. Step 5: Solve for x
    x = 4,561,418,205.01/101,136.70
  6. Step 6: Final answer
    x = 45,101.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.