Home / 109,984.56-164,976.78-39,863.76

Finding the Fourth Proportional to 109,984.56, 164,976.78 and 39,863.76

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Solution

The fourth proportional to 109,984.56, 164,976.78 and 39,863.76 is: 59,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,984.56 : 164,976.78 = 39,863.76 : x
  2. Step 2: Convert to fraction form
    109,984.56/164,976.78 = 39,863.76/x
  3. Step 3: Cross multiply
    109,984.56x = 164,976.78 × 39,863.76
  4. Step 4: Simplify right side
    109,984.56x = 6,576,594,763.49
  5. Step 5: Solve for x
    x = 6,576,594,763.49/109,984.56
  6. Step 6: Final answer
    x = 59,795.62

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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.