Home / 133,709.54-200,318.27-83,780.33

Finding the Fourth Proportional to 133,709.54, 200,318.27 and 83,780.33

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Solution

The fourth proportional to 133,709.54, 200,318.27 and 83,780.33 is: 125,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,709.54 : 200,318.27 = 83,780.33 : x
  2. Step 2: Convert to fraction form
    133,709.54/200,318.27 = 83,780.33/x
  3. Step 3: Cross multiply
    133,709.54x = 200,318.27 × 83,780.33
  4. Step 4: Simplify right side
    133,709.54x = 16,782,729,345.14
  5. Step 5: Solve for x
    x = 16,782,729,345.14/133,709.54
  6. Step 6: Final answer
    x = 125,516.32

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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.