Home / 133,263.79-199,930.31-39,769.54

Finding the Fourth Proportional to 133,263.79, 199,930.31 and 39,769.54

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Solution

The fourth proportional to 133,263.79, 199,930.31 and 39,769.54 is: 59,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.79 : 199,930.31 = 39,769.54 : x
  2. Step 2: Convert to fraction form
    133,263.79/199,930.31 = 39,769.54/x
  3. Step 3: Cross multiply
    133,263.79x = 199,930.31 × 39,769.54
  4. Step 4: Simplify right side
    133,263.79x = 7,951,135,262.26
  5. Step 5: Solve for x
    x = 7,951,135,262.26/133,263.79
  6. Step 6: Final answer
    x = 59,664.64

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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.