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Finding the Fourth Proportional to 133,021.53, 199,532.29 and 133,021.53

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Solution

The fourth proportional to 133,021.53, 199,532.29 and 133,021.53 is: 199,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021.53 : 199,532.29 = 133,021.53 : x
  2. Step 2: Convert to fraction form
    133,021.53/199,532.29 = 133,021.53/x
  3. Step 3: Cross multiply
    133,021.53x = 199,532.29 × 133,021.53
  4. Step 4: Simplify right side
    133,021.53x = 26,542,090,500.20
  5. Step 5: Solve for x
    x = 26,542,090,500.20/133,021.53
  6. Step 6: Final answer
    x = 199,532.29

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1.5x scale

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.