Home / 86,257.33-118,912.12-67,103.46

Finding the Fourth Proportional to 86,257.33, 118,912.12 and 67,103.46

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Solution

The fourth proportional to 86,257.33, 118,912.12 and 67,103.46 is: 92,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,257.33 : 118,912.12 = 67,103.46 : x
  2. Step 2: Convert to fraction form
    86,257.33/118,912.12 = 67,103.46/x
  3. Step 3: Cross multiply
    86,257.33x = 118,912.12 × 67,103.46
  4. Step 4: Simplify right side
    86,257.33x = 7,979,414,520.18
  5. Step 5: Solve for x
    x = 7,979,414,520.18/86,257.33
  6. Step 6: Final answer
    x = 92,507.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.