Home / 149,110.14-223,736.90-74,236.78

Finding the Fourth Proportional to 149,110.14, 223,736.90 and 74,236.78

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Solution

The fourth proportional to 149,110.14, 223,736.90 and 74,236.78 is: 111,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.14 : 223,736.90 = 74,236.78 : x
  2. Step 2: Convert to fraction form
    149,110.14/223,736.90 = 74,236.78/x
  3. Step 3: Cross multiply
    149,110.14x = 223,736.90 × 74,236.78
  4. Step 4: Simplify right side
    149,110.14x = 16,609,507,023.18
  5. Step 5: Solve for x
    x = 16,609,507,023.18/149,110.14
  6. Step 6: Final answer
    x = 111,390.86

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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.