Home / 133,789.54-200,715.03-45,040.66

Finding the Fourth Proportional to 133,789.54, 200,715.03 and 45,040.66

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Solution

The fourth proportional to 133,789.54, 200,715.03 and 45,040.66 is: 67,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.54 : 200,715.03 = 45,040.66 : x
  2. Step 2: Convert to fraction form
    133,789.54/200,715.03 = 45,040.66/x
  3. Step 3: Cross multiply
    133,789.54x = 200,715.03 × 45,040.66
  4. Step 4: Simplify right side
    133,789.54x = 9,040,337,423.12
  5. Step 5: Solve for x
    x = 9,040,337,423.12/133,789.54
  6. Step 6: Final answer
    x = 67,571.33

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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.