Home / 106,005.92-159,014.39-27,120.83

Finding the Fourth Proportional to 106,005.92, 159,014.39 and 27,120.83

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Solution

The fourth proportional to 106,005.92, 159,014.39 and 27,120.83 is: 40,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,005.92 : 159,014.39 = 27,120.83 : x
  2. Step 2: Convert to fraction form
    106,005.92/159,014.39 = 27,120.83/x
  3. Step 3: Cross multiply
    106,005.92x = 159,014.39 × 27,120.83
  4. Step 4: Simplify right side
    106,005.92x = 4,312,601,308.07
  5. Step 5: Solve for x
    x = 4,312,601,308.07/106,005.92
  6. Step 6: Final answer
    x = 40,682.65

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1.5x scale

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.