Home / 132,870.21-199,305.33-53,984.49

Finding the Fourth Proportional to 132,870.21, 199,305.33 and 53,984.49

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Solution

The fourth proportional to 132,870.21, 199,305.33 and 53,984.49 is: 80,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870.21 : 199,305.33 = 53,984.49 : x
  2. Step 2: Convert to fraction form
    132,870.21/199,305.33 = 53,984.49/x
  3. Step 3: Cross multiply
    132,870.21x = 199,305.33 × 53,984.49
  4. Step 4: Simplify right side
    132,870.21x = 10,759,396,594.33
  5. Step 5: Solve for x
    x = 10,759,396,594.33/132,870.21
  6. Step 6: Final answer
    x = 80,976.74

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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.