Home / 132,778.31-199,200.47-39,284.06

Finding the Fourth Proportional to 132,778.31, 199,200.47 and 39,284.06

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Solution

The fourth proportional to 132,778.31, 199,200.47 and 39,284.06 is: 58,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,778.31 : 199,200.47 = 39,284.06 : x
  2. Step 2: Convert to fraction form
    132,778.31/199,200.47 = 39,284.06/x
  3. Step 3: Cross multiply
    132,778.31x = 199,200.47 × 39,284.06
  4. Step 4: Simplify right side
    132,778.31x = 7,825,402,023.09
  5. Step 5: Solve for x
    x = 7,825,402,023.09/132,778.31
  6. Step 6: Final answer
    x = 58,935.85

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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.