Home / 133,466.24-200,199.20-80,890.72

Finding the Fourth Proportional to 133,466.24, 200,199.20 and 80,890.72

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Solution

The fourth proportional to 133,466.24, 200,199.20 and 80,890.72 is: 121,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,466.24 : 200,199.20 = 80,890.72 : x
  2. Step 2: Convert to fraction form
    133,466.24/200,199.20 = 80,890.72/x
  3. Step 3: Cross multiply
    133,466.24x = 200,199.20 × 80,890.72
  4. Step 4: Simplify right side
    133,466.24x = 16,194,257,431.42
  5. Step 5: Solve for x
    x = 16,194,257,431.42/133,466.24
  6. Step 6: Final answer
    x = 121,335.98

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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.