Home / 133,849.02-200,505.82-80,511.55

Finding the Fourth Proportional to 133,849.02, 200,505.82 and 80,511.55

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Solution

The fourth proportional to 133,849.02, 200,505.82 and 80,511.55 is: 120,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,849.02 : 200,505.82 = 80,511.55 : x
  2. Step 2: Convert to fraction form
    133,849.02/200,505.82 = 80,511.55/x
  3. Step 3: Cross multiply
    133,849.02x = 200,505.82 × 80,511.55
  4. Step 4: Simplify right side
    133,849.02x = 16,143,034,352.22
  5. Step 5: Solve for x
    x = 16,143,034,352.22/133,849.02
  6. Step 6: Final answer
    x = 120,606.29

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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.