Home / 133,845.23-200,500.16-80,507.75

Finding the Fourth Proportional to 133,845.23, 200,500.16 and 80,507.75

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Solution

The fourth proportional to 133,845.23, 200,500.16 and 80,507.75 is: 120,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,845.23 : 200,500.16 = 80,507.75 : x
  2. Step 2: Convert to fraction form
    133,845.23/200,500.16 = 80,507.75/x
  3. Step 3: Cross multiply
    133,845.23x = 200,500.16 × 80,507.75
  4. Step 4: Simplify right side
    133,845.23x = 16,141,816,756.24
  5. Step 5: Solve for x
    x = 16,141,816,756.24/133,845.23
  6. Step 6: Final answer
    x = 120,600.62

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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.