Home / 133,467.24-200,200.70-80,891.72

Finding the Fourth Proportional to 133,467.24, 200,200.70 and 80,891.72

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Solution

The fourth proportional to 133,467.24, 200,200.70 and 80,891.72 is: 121,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,467.24 : 200,200.70 = 80,891.72 : x
  2. Step 2: Convert to fraction form
    133,467.24/200,200.70 = 80,891.72/x
  3. Step 3: Cross multiply
    133,467.24x = 200,200.70 × 80,891.72
  4. Step 4: Simplify right side
    133,467.24x = 16,194,578,968.20
  5. Step 5: Solve for x
    x = 16,194,578,968.20/133,467.24
  6. Step 6: Final answer
    x = 121,337.48

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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.