Home / 133,391.43-200,087.48-54,505.65

Finding the Fourth Proportional to 133,391.43, 200,087.48 and 54,505.65

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Solution

The fourth proportional to 133,391.43, 200,087.48 and 54,505.65 is: 81,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.43 : 200,087.48 = 54,505.65 : x
  2. Step 2: Convert to fraction form
    133,391.43/200,087.48 = 54,505.65/x
  3. Step 3: Cross multiply
    133,391.43x = 200,087.48 × 54,505.65
  4. Step 4: Simplify right side
    133,391.43x = 10,905,897,881.73
  5. Step 5: Solve for x
    x = 10,905,897,881.73/133,391.43
  6. Step 6: Final answer
    x = 81,758.61

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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.