Home / 133,867.68-200,533.76-80,530.24

Finding the Fourth Proportional to 133,867.68, 200,533.76 and 80,530.24

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Solution

The fourth proportional to 133,867.68, 200,533.76 and 80,530.24 is: 120,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,867.68 : 200,533.76 = 80,530.24 : x
  2. Step 2: Convert to fraction form
    133,867.68/200,533.76 = 80,530.24/x
  3. Step 3: Cross multiply
    133,867.68x = 200,533.76 × 80,530.24
  4. Step 4: Simplify right side
    133,867.68x = 16,149,031,820.90
  5. Step 5: Solve for x
    x = 16,149,031,820.90/133,867.68
  6. Step 6: Final answer
    x = 120,634.28

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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.