Home / 149,378.56-206,003.94-109,028.41

Finding the Fourth Proportional to 149,378.56, 206,003.94 and 109,028.41

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Solution

The fourth proportional to 149,378.56, 206,003.94 and 109,028.41 is: 150,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,378.56 : 206,003.94 = 109,028.41 : x
  2. Step 2: Convert to fraction form
    149,378.56/206,003.94 = 109,028.41/x
  3. Step 3: Cross multiply
    149,378.56x = 206,003.94 × 109,028.41
  4. Step 4: Simplify right side
    149,378.56x = 22,460,282,031.94
  5. Step 5: Solve for x
    x = 22,460,282,031.94/149,378.56
  6. Step 6: Final answer
    x = 150,358.14

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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.