Home / 132,842.88-199,308.06-53,935.92

Finding the Fourth Proportional to 132,842.88, 199,308.06 and 53,935.92

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Solution

The fourth proportional to 132,842.88, 199,308.06 and 53,935.92 is: 80,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,842.88 : 199,308.06 = 53,935.92 : x
  2. Step 2: Convert to fraction form
    132,842.88/199,308.06 = 53,935.92/x
  3. Step 3: Cross multiply
    132,842.88x = 199,308.06 × 53,935.92
  4. Step 4: Simplify right side
    132,842.88x = 10,749,863,579.52
  5. Step 5: Solve for x
    x = 10,749,863,579.52/132,842.88
  6. Step 6: Final answer
    x = 80,921.64

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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.