Home / 132,800.40-199,262.78-66,245.68

Finding the Fourth Proportional to 132,800.40, 199,262.78 and 66,245.68

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Solution

The fourth proportional to 132,800.40, 199,262.78 and 66,245.68 is: 99,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.40 : 199,262.78 = 66,245.68 : x
  2. Step 2: Convert to fraction form
    132,800.40/199,262.78 = 66,245.68/x
  3. Step 3: Cross multiply
    132,800.40x = 199,262.78 × 66,245.68
  4. Step 4: Simplify right side
    132,800.40x = 13,200,298,359.79
  5. Step 5: Solve for x
    x = 13,200,298,359.79/132,800.40
  6. Step 6: Final answer
    x = 99,399.54

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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.