Home / 106,723.22-147,212.78-68,469.75

Finding the Fourth Proportional to 106,723.22, 147,212.78 and 68,469.75

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Solution

The fourth proportional to 106,723.22, 147,212.78 and 68,469.75 is: 94,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,723.22 : 147,212.78 = 68,469.75 : x
  2. Step 2: Convert to fraction form
    106,723.22/147,212.78 = 68,469.75/x
  3. Step 3: Cross multiply
    106,723.22x = 147,212.78 × 68,469.75
  4. Step 4: Simplify right side
    106,723.22x = 10,079,621,901.06
  5. Step 5: Solve for x
    x = 10,079,621,901.06/106,723.22
  6. Step 6: Final answer
    x = 94,446.39

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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.