Home / 131,893.33-197,867.67-43,139.90

Finding the Fourth Proportional to 131,893.33, 197,867.67 and 43,139.90

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Solution

The fourth proportional to 131,893.33, 197,867.67 and 43,139.90 is: 64,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,893.33 : 197,867.67 = 43,139.90 : x
  2. Step 2: Convert to fraction form
    131,893.33/197,867.67 = 43,139.90/x
  3. Step 3: Cross multiply
    131,893.33x = 197,867.67 × 43,139.90
  4. Step 4: Simplify right side
    131,893.33x = 8,535,991,497.03
  5. Step 5: Solve for x
    x = 8,535,991,497.03/131,893.33
  6. Step 6: Final answer
    x = 64,718.90

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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.