Home / 149,121.38-223,520.34-74,297.36

Finding the Fourth Proportional to 149,121.38, 223,520.34 and 74,297.36

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Solution

The fourth proportional to 149,121.38, 223,520.34 and 74,297.36 is: 111,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,121.38 : 223,520.34 = 74,297.36 : x
  2. Step 2: Convert to fraction form
    149,121.38/223,520.34 = 74,297.36/x
  3. Step 3: Cross multiply
    149,121.38x = 223,520.34 × 74,297.36
  4. Step 4: Simplify right side
    149,121.38x = 16,606,971,168.30
  5. Step 5: Solve for x
    x = 16,606,971,168.30/149,121.38
  6. Step 6: Final answer
    x = 111,365.46

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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.